Q: What is the sum of all factors of the number 12,331,220 excluding 12,331,220?

A: 17,158,828

Why is 17,158,828 the sum of all factors of 12,331,220, excluding 12,331,220?

The factors of the number 12,331,220 are: 1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2437, 2530, 4874, 5060, 9748, 12185, 24370, 26807, 48740, 53614, 56051, 107228, 112102, 134035, 224204, 268070, 280255, 536140, 560510, 616561, 1121020, 1233122, 2466244, 3082805, 6165610, 12331220.

If you add them up, you will get the total of 12,331,237. Now subtract 12,331,220 to get 17,158,828