20218507612

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{479}}^1\times {\mathrm{1579}}^1$

素因数の和:2266

約数の個数: 48

約数和(自身を含む): 36567014400

約数和(自身を除く): 16348506788

約数列:

[1, 2, 4, 41, 82, 163, 164, 326, 479, 652, 958, 1579, 1916, 3158, 6316, 6683, 13366, 19639, 26732, 39278, 64739, 78077, 78556, 129478, 156154, 257377, 258956, 312308, 514754, 756341, 1029508, 1512682, 3025364, 3201157, 6402314, 10552457, 12804628, 21104914, 31009981, 42209828, 62019962, 123283583, 124039924, 246567166, 493134332, 5054626903, 10109253806, 20218507612]

約数ペア:

[(1, 20218507612), (2, 10109253806), (4, 5054626903), (41, 493134332), (82, 246567166), (163, 124039924), (164, 123283583), (326, 62019962), (479, 42209828), (652, 31009981), (958, 21104914), (1579, 12804628), (1916, 10552457), (3158, 6402314), (6316, 3201157), (6683, 3025364), (13366, 1512682), (19639, 1029508), (26732, 756341), (39278, 514754), (64739, 312308), (78077, 258956), (78556, 257377), (129478, 156154)]