20121974864

素因数分解:

$2^4\times {\mathrm{7481}}^1\times {\mathrm{168109}}^1$

素因数の和:175598

約数の個数: 20

約数和(自身を含む): 38991769620

約数和(自身を除く): 18869794756

約数列:

[1, 2, 4, 8, 16, 7481, 14962, 29924, 59848, 119696, 168109, 336218, 672436, 1344872, 2689744, 1257623429, 2515246858, 5030493716, 10060987432, 20121974864]

約数ペア:

[(1, 20121974864), (2, 10060987432), (4, 5030493716), (8, 2515246858), (16, 1257623429), (7481, 2689744), (14962, 1344872), (29924, 672436), (59848, 336218), (119696, 168109)]