9947620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{269}}^1$

素因数の和:364

約数の個数: 36

約数和(自身を含む): 21466620

約数和(自身を除く): 11519000

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 269, 430, 538, 860, 1076, 1345, 1849, 2690, 3698, 5380, 7396, 9245, 11567, 18490, 23134, 36980, 46268, 57835, 115670, 231340, 497381, 994762, 1989524, 2486905, 4973810, 9947620]

約数ペア:

[(1, 9947620), (2, 4973810), (4, 2486905), (5, 1989524), (10, 994762), (20, 497381), (43, 231340), (86, 115670), (172, 57835), (215, 46268), (269, 36980), (430, 23134), (538, 18490), (860, 11567), (1076, 9245), (1345, 7396), (1849, 5380), (2690, 3698)]