20906088

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1163}}^1$

素因数の和:1286

約数の個数: 64

約数和(自身を含む): 60341760

約数和(自身を除く): 39435672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 107, 168, 214, 321, 428, 642, 749, 856, 1163, 1284, 1498, 2247, 2326, 2568, 2996, 3489, 4494, 4652, 5992, 6978, 8141, 8988, 9304, 13956, 16282, 17976, 24423, 27912, 32564, 48846, 65128, 97692, 124441, 195384, 248882, 373323, 497764, 746646, 871087, 995528, 1493292, 1742174, 2613261, 2986584, 3484348, 5226522, 6968696, 10453044, 20906088]

約数ペア:

[(1, 20906088), (2, 10453044), (3, 6968696), (4, 5226522), (6, 3484348), (7, 2986584), (8, 2613261), (12, 1742174), (14, 1493292), (21, 995528), (24, 871087), (28, 746646), (42, 497764), (56, 373323), (84, 248882), (107, 195384), (168, 124441), (214, 97692), (321, 65128), (428, 48846), (642, 32564), (749, 27912), (856, 24423), (1163, 17976), (1284, 16282), (1498, 13956), (2247, 9304), (2326, 8988), (2568, 8141), (2996, 6978), (3489, 5992), (4494, 4652)]