20091617

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31541}}^1$

素因数の和:31568

約数の個数: 12

約数和(自身を含む): 25170516

約数和(自身を除く): 5078899

約数列:

[1, 7, 13, 49, 91, 637, 31541, 220787, 410033, 1545509, 2870231, 20091617]

約数ペア:

[(1, 20091617), (7, 2870231), (13, 1545509), (49, 410033), (91, 220787), (637, 31541)]