20411686

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{1087}}^1$

素因数の和:1359

約数の個数: 16

約数和(自身を含む): 31530240

約数和(自身を除く): 11118554

約数列:

[1, 2, 41, 82, 229, 458, 1087, 2174, 9389, 18778, 44567, 89134, 248923, 497846, 10205843, 20411686]

約数ペア:

[(1, 20411686), (2, 10205843), (41, 497846), (82, 248923), (229, 89134), (458, 44567), (1087, 18778), (2174, 9389)]