20786796

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{7309}}^1$

素因数の和:7398

約数の個数: 36

約数和(自身を含む): 53216800

約数和(自身を除く): 32430004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 7309, 14618, 21927, 29236, 43854, 65781, 87708, 131562, 263124, 577411, 1154822, 1732233, 2309644, 3464466, 5196699, 6928932, 10393398, 20786796]

約数ペア:

[(1, 20786796), (2, 10393398), (3, 6928932), (4, 5196699), (6, 3464466), (9, 2309644), (12, 1732233), (18, 1154822), (36, 577411), (79, 263124), (158, 131562), (237, 87708), (316, 65781), (474, 43854), (711, 29236), (948, 21927), (1422, 14618), (2844, 7309)]