20923123

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 25804800

約数和(自身を除く): 4881677

約数列:

[1, 13, 19, 23, 29, 127, 247, 299, 377, 437, 551, 667, 1651, 2413, 2921, 3683, 5681, 7163, 8671, 12673, 31369, 37973, 47879, 55499, 69977, 84709, 164749, 721487, 909701, 1101217, 1609471, 20923123]

約数ペア:

[(1, 20923123), (13, 1609471), (19, 1101217), (23, 909701), (29, 721487), (127, 164749), (247, 84709), (299, 69977), (377, 55499), (437, 47879), (551, 37973), (667, 31369), (1651, 12673), (2413, 8671), (2921, 7163), (3683, 5681)]