Q: What is the sum of all factors of the number 11,720,897 excluding 11,720,897?
A: 919,423
The factors of the number 11,720,897 are: 1, 37, 43, 53, 139, 1591, 1961, 2279, 5143, 5977, 7367, 84323, 221149, 272579, 316781, 11720897.
If you add them up, you will get the total of 11,721,816. Now subtract 11,720,897 to get 919,423