20899007145

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5218229}}^1$

素因数の和:5218329

約数の個数: 24

約数和(自身を含む): 36631974600

約数和(自身を除く): 15732967455

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 445, 801, 1335, 4005, 5218229, 15654687, 26091145, 46964061, 78273435, 234820305, 464422381, 1393267143, 2322111905, 4179801429, 6966335715, 20899007145]

約数ペア:

[(1, 20899007145), (3, 6966335715), (5, 4179801429), (9, 2322111905), (15, 1393267143), (45, 464422381), (89, 234820305), (267, 78273435), (445, 46964061), (801, 26091145), (1335, 15654687), (4005, 5218229)]