20091540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47837}}^1$

素因数の和:47856

約数の個数: 48

約数和(自身を含む): 64294272

約数和(自身を除く): 44202732

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 47837, 95674, 143511, 191348, 239185, 287022, 334859, 478370, 574044, 669718, 717555, 956740, 1004577, 1339436, 1435110, 1674295, 2009154, 2870220, 3348590, 4018308, 5022885, 6697180, 10045770, 20091540]

約数ペア:

[(1, 20091540), (2, 10045770), (3, 6697180), (4, 5022885), (5, 4018308), (6, 3348590), (7, 2870220), (10, 2009154), (12, 1674295), (14, 1435110), (15, 1339436), (20, 1004577), (21, 956740), (28, 717555), (30, 669718), (35, 574044), (42, 478370), (60, 334859), (70, 287022), (84, 239185), (105, 191348), (140, 143511), (210, 95674), (420, 47837)]