20092005

素因数分解:

$3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{977}}^1$

素因数の和:1445

約数の個数: 24

約数和(自身を含む): 34938072

約数和(自身を除く): 14846067

約数列:

[1, 3, 5, 9, 15, 45, 457, 977, 1371, 2285, 2931, 4113, 4885, 6855, 8793, 14655, 20565, 43965, 446489, 1339467, 2232445, 4018401, 6697335, 20092005]

約数ペア:

[(1, 20092005), (3, 6697335), (5, 4018401), (9, 2232445), (15, 1339467), (45, 446489), (457, 43965), (977, 20565), (1371, 14655), (2285, 8793), (2931, 6855), (4113, 4885)]