Q: What is the sum of all factors of the number 15,265,900 excluding 15,265,900?

A: 20,412,372

Why is 20,412,372 the sum of all factors of 15,265,900, excluding 15,265,900?

The factors of the number 15,265,900 are: 1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 11743, 23486, 46972, 58715, 117430, 152659, 234860, 293575, 305318, 587150, 610636, 763295, 1174300, 1526590, 3053180, 3816475, 7632950, 15265900.

If you add them up, you will get the total of 15,265,920. Now subtract 15,265,900 to get 20,412,372