20277477

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{857}}^1$

素因数の和:1113

約数の個数: 24

約数和(自身を含む): 32123520

約数和(自身を除く): 11846043

約数列:

[1, 3, 9, 11, 33, 99, 239, 717, 857, 2151, 2571, 2629, 7713, 7887, 9427, 23661, 28281, 84843, 204823, 614469, 1843407, 2253053, 6759159, 20277477]

約数ペア:

[(1, 20277477), (3, 6759159), (9, 2253053), (11, 1843407), (33, 614469), (99, 204823), (239, 84843), (717, 28281), (857, 23661), (2151, 9427), (2571, 7887), (2629, 7713)]