20518312

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1499}}^1$

素因数の和:1593

約数の個数: 32

約数和(自身を含む): 40500000

約数和(自身を除く): 19981688

約数列:

[1, 2, 4, 8, 29, 58, 59, 116, 118, 232, 236, 472, 1499, 1711, 2998, 3422, 5996, 6844, 11992, 13688, 43471, 86942, 88441, 173884, 176882, 347768, 353764, 707528, 2564789, 5129578, 10259156, 20518312]

約数ペア:

[(1, 20518312), (2, 10259156), (4, 5129578), (8, 2564789), (29, 707528), (58, 353764), (59, 347768), (116, 176882), (118, 173884), (232, 88441), (236, 86942), (472, 43471), (1499, 13688), (1711, 11992), (2998, 6844), (3422, 5996)]