20686655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8747}}^1$

素因数の和:8806

約数の個数: 16

約数和(自身を含む): 27713664

約数和(自身を除く): 7027009

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 8747, 43735, 96217, 376121, 481085, 1880605, 4137331, 20686655]

約数ペア:

[(1, 20686655), (5, 4137331), (11, 1880605), (43, 481085), (55, 376121), (215, 96217), (473, 43735), (2365, 8747)]