20126751

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{521}}^1$

素因数の和:766

約数の個数: 16

約数和(自身を含む): 27394560

約数和(自身を除く): 7267809

約数列:

[1, 3, 79, 163, 237, 489, 521, 1563, 12877, 38631, 41159, 84923, 123477, 254769, 6708917, 20126751]

約数ペア:

[(1, 20126751), (3, 6708917), (79, 254769), (163, 123477), (237, 84923), (489, 41159), (521, 38631), (1563, 12877)]