Q: What is the sum of all factors of the number 1,220,205 excluding 1,220,205?
A: 1,011,219
The factors of the number 1,220,205 are: 1, 3, 5, 7, 15, 21, 35, 105, 11621, 34863, 58105, 81347, 174315, 244041, 406735, 1220205.
If you add them up, you will get the total of 1,220,206. Now subtract 1,220,205 to get 1,011,219