20187494847

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{6857}}^1\times {\mathrm{25163}}^1$

素因数の和:32039

約数の個数: 24

約数和(自身を含む): 31408597584

約数和(自身を除く): 11221102737

約数列:

[1, 3, 9, 13, 39, 117, 6857, 20571, 25163, 61713, 75489, 89141, 226467, 267423, 327119, 802269, 981357, 2944071, 172542691, 517628073, 1552884219, 2243054983, 6729164949, 20187494847]

約数ペア:

[(1, 20187494847), (3, 6729164949), (9, 2243054983), (13, 1552884219), (39, 517628073), (117, 172542691), (6857, 2944071), (20571, 981357), (25163, 802269), (61713, 327119), (75489, 267423), (89141, 226467)]