22015977980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{10898999}}^1$

素因数の和:10899109

約数の個数: 24

約数和(自身を含む): 46691316000

約数和(自身を除く): 24675338020

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 10898999, 21797998, 43595996, 54494995, 108989990, 217979980, 1100798899, 2201597798, 4403195596, 5503994495, 11007988990, 22015977980]

約数ペア:

[(1, 22015977980), (2, 11007988990), (4, 5503994495), (5, 4403195596), (10, 2201597798), (20, 1100798899), (101, 217979980), (202, 108989990), (404, 54494995), (505, 43595996), (1010, 21797998), (2020, 10898999)]