20013550

素因数分解:

$2^1\times 5^2\times {\mathrm{571}}^1\times {\mathrm{701}}^1$

素因数の和:1284

約数の個数: 24

約数和(自身を含む): 37343592

約数和(自身を除く): 17330042

約数列:

[1, 2, 5, 10, 25, 50, 571, 701, 1142, 1402, 2855, 3505, 5710, 7010, 14275, 17525, 28550, 35050, 400271, 800542, 2001355, 4002710, 10006775, 20013550]

約数ペア:

[(1, 20013550), (2, 10006775), (5, 4002710), (10, 2001355), (25, 800542), (50, 400271), (571, 35050), (701, 28550), (1142, 17525), (1402, 14275), (2855, 7010), (3505, 5710)]