2020168520

素因数分解:

$2^3\times 5^1\times {\mathrm{50504213}}^1$

素因数の和:50504224

約数の個数: 16

約数和(自身を含む): 4545379260

約数和(自身を除く): 2525210740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50504213, 101008426, 202016852, 252521065, 404033704, 505042130, 1010084260, 2020168520]

約数ペア:

[(1, 2020168520), (2, 1010084260), (4, 505042130), (5, 404033704), (8, 252521065), (10, 202016852), (20, 101008426), (40, 50504213)]