Q: What is the sum of all factors of the number 20,188,880 excluding 20,188,880?

A: 27,407,032

Why is 27,407,032 the sum of all factors of 20,188,880, excluding 20,188,880?

The factors of the number 20,188,880 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 3457, 5840, 6914, 13828, 17285, 27656, 34570, 55312, 69140, 138280, 252361, 276560, 504722, 1009444, 1261805, 2018888, 2523610, 4037776, 5047220, 10094440, 20188880.

If you add them up, you will get the total of 20,188,907. Now subtract 20,188,880 to get 27,407,032