20391054

素因数分解:

$2^1\times 3^1\times {\mathrm{419}}^1\times {\mathrm{8111}}^1$

素因数の和:8535

約数の個数: 16

約数和(自身を含む): 40884480

約数和(自身を除く): 20493426

約数列:

[1, 2, 3, 6, 419, 838, 1257, 2514, 8111, 16222, 24333, 48666, 3398509, 6797018, 10195527, 20391054]

約数ペア:

[(1, 20391054), (2, 10195527), (3, 6797018), (6, 3398509), (419, 48666), (838, 24333), (1257, 16222), (2514, 8111)]