20394507

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{23687}}^1$

素因数の和:23738

約数の個数: 16

約数和(自身を含む): 31836672

約数和(自身を除く): 11442165

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 23687, 71061, 165809, 497427, 971167, 2913501, 6798169, 20394507]

約数ペア:

[(1, 20394507), (3, 6798169), (7, 2913501), (21, 971167), (41, 497427), (123, 165809), (287, 71061), (861, 23687)]