Q: What is the sum of all factors of the number 10,820,772 excluding 10,820,772?

A: 18,142,344

Why is 18,142,344 the sum of all factors of 10,820,772, excluding 10,820,772?

The factors of the number 10,820,772 are: 1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 17681, 35362, 53043, 70724, 106086, 159129, 212172, 300577, 318258, 601154, 636516, 901731, 1202308, 1803462, 2705193, 3606924, 5410386, 10820772.

If you add them up, you will get the total of 10,820,790. Now subtract 10,820,772 to get 18,142,344