20117708

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5449}}^1$

素因数の和:5537

約数の個数: 24

約数和(自身を含む): 38455200

約数和(自身を除く): 18337492

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 5449, 10898, 21796, 70837, 141674, 283348, 386879, 773758, 1547516, 5029427, 10058854, 20117708]

約数ペア:

[(1, 20117708), (2, 10058854), (4, 5029427), (13, 1547516), (26, 773758), (52, 386879), (71, 283348), (142, 141674), (284, 70837), (923, 21796), (1846, 10898), (3692, 5449)]