20204013

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{523}}^1$

素因数の和:768

約数の個数: 16

約数和(自身を含む): 27499520

約数和(自身を除く): 7295507

約数列:

[1, 3, 79, 163, 237, 489, 523, 1569, 12877, 38631, 41317, 85249, 123951, 255747, 6734671, 20204013]

約数ペア:

[(1, 20204013), (3, 6734671), (79, 255747), (163, 123951), (237, 85249), (489, 41317), (523, 38631), (1569, 12877)]