20589776

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29927}}^1$

素因数の和:29978

約数の個数: 20

約数和(自身を含む): 40821792

約数和(自身を除く): 20232016

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29927, 59854, 119708, 239416, 478832, 1286861, 2573722, 5147444, 10294888, 20589776]

約数ペア:

[(1, 20589776), (2, 10294888), (4, 5147444), (8, 2573722), (16, 1286861), (43, 478832), (86, 239416), (172, 119708), (344, 59854), (688, 29927)]