Q: What is the sum of all factors of the number 1,991,020 including 1,991,020?
A: 4,181,184
The factors of the number 1,991,020 are: 1, 2, 4, 5, 10, 20, 99551, 199102, 398204, 497755, 995510, 1991020.
If you add them up, you will get the total of 4,181,184.