20052013820

素因数分解:

$2^2\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{758971}}^1$

素因数の和:760301

約数の個数: 24

約数和(自身を含む): 42141161328

約数和(自身を除く): 22089147508

約数列:

[1, 2, 4, 5, 10, 20, 1321, 2642, 5284, 6605, 13210, 26420, 758971, 1517942, 3035884, 3794855, 7589710, 15179420, 1002600691, 2005201382, 4010402764, 5013003455, 10026006910, 20052013820]

約数ペア:

[(1, 20052013820), (2, 10026006910), (4, 5013003455), (5, 4010402764), (10, 2005201382), (20, 1002600691), (1321, 15179420), (2642, 7589710), (5284, 3794855), (6605, 3035884), (13210, 1517942), (26420, 758971)]