20100647560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1669489}}^1$

素因数の和:1669550

約数の個数: 64

約数和(自身を含む): 52889443200

約数和(自身を除く): 32788795640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 12040, 1669489, 3338978, 6677956, 8347445, 11686423, 13355912, 16694890, 23372846, 33389780, 46745692, 58432115, 66779560, 71788027, 93491384, 116864230, 143576054, 233728460, 287152108, 358940135, 467456920, 502516189, 574304216, 717880270, 1005032378, 1435760540, 2010064756, 2512580945, 2871521080, 4020129512, 5025161890, 10050323780, 20100647560]

約数ペア:

[(1, 20100647560), (2, 10050323780), (4, 5025161890), (5, 4020129512), (7, 2871521080), (8, 2512580945), (10, 2010064756), (14, 1435760540), (20, 1005032378), (28, 717880270), (35, 574304216), (40, 502516189), (43, 467456920), (56, 358940135), (70, 287152108), (86, 233728460), (140, 143576054), (172, 116864230), (215, 93491384), (280, 71788027), (301, 66779560), (344, 58432115), (430, 46745692), (602, 33389780), (860, 23372846), (1204, 16694890), (1505, 13355912), (1720, 11686423), (2408, 8347445), (3010, 6677956), (6020, 3338978), (12040, 1669489)]