20123961111

素因数分解:

$3^3\times {\mathrm{9803}}^1\times {\mathrm{76031}}^1$

素因数の和:85843

約数の個数: 16

約数和(自身を含む): 29816709120

約数和(自身を除く): 9692748009

約数列:

[1, 3, 9, 27, 9803, 29409, 76031, 88227, 228093, 264681, 684279, 2052837, 745331893, 2235995679, 6707987037, 20123961111]

約数ペア:

[(1, 20123961111), (3, 6707987037), (9, 2235995679), (27, 745331893), (9803, 2052837), (29409, 684279), (76031, 264681), (88227, 228093)]