Q: What is the sum of all factors of the number 1,220,505 including 1,220,505?
A: 2,298,240
The factors of the number 1,220,505 are: 1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 569, 715, 1707, 2145, 2845, 6259, 7397, 8535, 18777, 22191, 31295, 36985, 81367, 93885, 110955, 244101, 406835, 1220505.
If you add them up, you will get the total of 2,298,240.