20022580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52691}}^1$

素因数の和:52719

約数の個数: 24

約数和(自身を含む): 44261280

約数和(自身を除く): 24238700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 52691, 105382, 210764, 263455, 526910, 1001129, 1053820, 2002258, 4004516, 5005645, 10011290, 20022580]

約数ペア:

[(1, 20022580), (2, 10011290), (4, 5005645), (5, 4004516), (10, 2002258), (19, 1053820), (20, 1001129), (38, 526910), (76, 263455), (95, 210764), (190, 105382), (380, 52691)]