20322188

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 36368640

約数和(自身を除く): 16046452

約数列:

[1, 2, 4, 71, 142, 163, 284, 326, 439, 652, 878, 1756, 11573, 23146, 31169, 46292, 62338, 71557, 124676, 143114, 286228, 5080547, 10161094, 20322188]

約数ペア:

[(1, 20322188), (2, 10161094), (4, 5080547), (71, 286228), (142, 143114), (163, 124676), (284, 71557), (326, 62338), (439, 46292), (652, 31169), (878, 23146), (1756, 11573)]