20913735

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{10177}}^1$

素因数の和:10322

約数の個数: 16

約数和(自身を含む): 33709536

約数和(自身を除く): 12795801

約数列:

[1, 3, 5, 15, 137, 411, 685, 2055, 10177, 30531, 50885, 152655, 1394249, 4182747, 6971245, 20913735]

約数ペア:

[(1, 20913735), (3, 6971245), (5, 4182747), (15, 1394249), (137, 152655), (411, 50885), (685, 30531), (2055, 10177)]