Common Divisors
Basic Accuracy: 71.76% Submissions: 2015 Points: 1

Given two integer numbers a and b, the task is to find count of all common divisors of given numbers.

Example 1:

Input: a = 12, b = 24
Output: 6 
Explanation: all common divisors 
are 1, 2, 3, 4, 6 and 12.


Example 2:

Input: a = 3, b = 17
Output: 1
Explanation: all common divisors are 1.


Your Task:  
You dont need to read input or print anything. Complete the function commDiv() which takes n as input parameter and returns the number of common divisors.


Expected Time Complexity: O(sqrt(n))
Expected Auxiliary Space: O(1)

Constraints:
1<= a,b <=1000

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Common Divisors

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