20490052

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{1019}}^1$

素因数の和:1491

約数の個数: 24

約数和(自身を含む): 39241440

約数和(自身を除く): 18751388

約数列:

[1, 2, 4, 11, 22, 44, 457, 914, 1019, 1828, 2038, 4076, 5027, 10054, 11209, 20108, 22418, 44836, 465683, 931366, 1862732, 5122513, 10245026, 20490052]

約数ペア:

[(1, 20490052), (2, 10245026), (4, 5122513), (11, 1862732), (22, 931366), (44, 465683), (457, 44836), (914, 22418), (1019, 20108), (1828, 11209), (2038, 10054), (4076, 5027)]