20496679

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4201}}^1$

素因数の和:4266

約数の個数: 16

約数和(自身を含む): 25413696

約数和(自身を除く): 4917017

約数列:

[1, 7, 17, 41, 119, 287, 697, 4201, 4879, 29407, 71417, 172241, 499919, 1205687, 2928097, 20496679]

約数ペア:

[(1, 20496679), (7, 2928097), (17, 1205687), (41, 499919), (119, 172241), (287, 71417), (697, 29407), (4201, 4879)]