Q: What is the sum of all factors of the number 20,124,100 excluding 20,124,100?

A: 24,380,864

Why is 24,380,864 the sum of all factors of 20,124,100, excluding 20,124,100?

The factors of the number 20,124,100 are: 1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 3797, 5300, 7594, 15188, 18985, 37970, 75940, 94925, 189850, 201241, 379700, 402482, 804964, 1006205, 2012410, 4024820, 5031025, 10062050, 20124100.

If you add them up, you will get the total of 20,124,124. Now subtract 20,124,100 to get 24,380,864