20185571

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1153}}^1$

素因数の和:1262

約数の個数: 16

約数和(自身を含む): 24040128

約数和(自身を除く): 3854557

約数列:

[1, 7, 41, 61, 287, 427, 1153, 2501, 8071, 17507, 47273, 70333, 330911, 492331, 2883653, 20185571]

約数ペア:

[(1, 20185571), (7, 2883653), (41, 492331), (61, 330911), (287, 70333), (427, 47273), (1153, 17507), (2501, 8071)]