20670519

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{1031}}^1$

素因数の和:1238

約数の個数: 16

約数和(自身を含む): 28433664

約数和(自身を除く): 7763145

約数列:

[1, 3, 41, 123, 163, 489, 1031, 3093, 6683, 20049, 42271, 126813, 168053, 504159, 6890173, 20670519]

約数ペア:

[(1, 20670519), (3, 6890173), (41, 504159), (123, 168053), (163, 126813), (489, 42271), (1031, 20049), (3093, 6683)]