20189906045

素因数分解:

$5^1\times {\mathrm{331}}^1\times {\mathrm{2351}}^1\times {\mathrm{5189}}^1$

素因数の和:7876

約数の個数: 16

約数和(自身を含む): 24316104960

約数和(自身を除く): 4126198915

約数列:

[1, 5, 331, 1655, 2351, 5189, 11755, 25945, 778181, 1717559, 3890905, 8587795, 12199339, 60996695, 4037981209, 20189906045]

約数ペア:

[(1, 20189906045), (5, 4037981209), (331, 60996695), (1655, 12199339), (2351, 8587795), (5189, 3890905), (11755, 1717559), (25945, 778181)]