20447469

素因数分解:

$3^2\times 7^1\times {\mathrm{463}}^1\times {\mathrm{701}}^1$

素因数の和:1177

約数の個数: 24

約数和(自身を含む): 33875712

約数和(自身を除く): 13428243

約数列:

[1, 3, 7, 9, 21, 63, 463, 701, 1389, 2103, 3241, 4167, 4907, 6309, 9723, 14721, 29169, 44163, 324563, 973689, 2271941, 2921067, 6815823, 20447469]

約数ペア:

[(1, 20447469), (3, 6815823), (7, 2921067), (9, 2271941), (21, 973689), (63, 324563), (463, 44163), (701, 29169), (1389, 14721), (2103, 9723), (3241, 6309), (4167, 4907)]