20172537679

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{665387}}^1$

素因数の和:665526

約数の個数: 16

約数和(自身を含む): 23762336256

約数和(自身を除く): 3589798577

約数列:

[1, 7, 61, 71, 427, 497, 4331, 30317, 665387, 4657709, 40588607, 47242477, 284120249, 330697339, 2881791097, 20172537679]

約数ペア:

[(1, 20172537679), (7, 2881791097), (61, 330697339), (71, 284120249), (427, 47242477), (497, 40588607), (4331, 4657709), (30317, 665387)]