20388558

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{9413}}^1$

素因数の和:9456

約数の個数: 24

約数和(自身を含む): 43040808

約数和(自身を除く): 22652250

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 361, 722, 1083, 2166, 9413, 18826, 28239, 56478, 178847, 357694, 536541, 1073082, 3398093, 6796186, 10194279, 20388558]

約数ペア:

[(1, 20388558), (2, 10194279), (3, 6796186), (6, 3398093), (19, 1073082), (38, 536541), (57, 357694), (114, 178847), (361, 56478), (722, 28239), (1083, 18826), (2166, 9413)]