Q: What is the sum of all factors of the number 20,724,156 excluding 20,724,156?

A: 34,745,076

Why is 34,745,076 the sum of all factors of 20,724,156, excluding 20,724,156?

The factors of the number 20,724,156 are: 1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 33863, 67726, 101589, 135452, 203178, 304767, 406356, 575671, 609534, 1151342, 1219068, 1727013, 2302684, 3454026, 5181039, 6908052, 10362078, 20724156.

If you add them up, you will get the total of 20,724,190. Now subtract 20,724,156 to get 34,745,076