20215377

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24683}}^1$

素因数の和:24709

約数の個数: 24

約数和(自身を含む): 35939904

約数和(自身を除く): 15724527

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 24683, 74049, 172781, 222147, 320879, 518343, 962637, 1555029, 2246153, 2887911, 6738459, 20215377]

約数ペア:

[(1, 20215377), (3, 6738459), (7, 2887911), (9, 2246153), (13, 1555029), (21, 962637), (39, 518343), (63, 320879), (91, 222147), (117, 172781), (273, 74049), (819, 24683)]