20149143

素因数分解:

$3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{1213}}^1$

素因数の和:1343

約数の個数: 24

約数和(自身を含む): 31554288

約数和(自身を除く): 11405145

約数列:

[1, 3, 7, 21, 49, 113, 147, 339, 791, 1213, 2373, 3639, 5537, 8491, 16611, 25473, 59437, 137069, 178311, 411207, 959483, 2878449, 6716381, 20149143]

約数ペア:

[(1, 20149143), (3, 6716381), (7, 2878449), (21, 959483), (49, 411207), (113, 178311), (147, 137069), (339, 59437), (791, 25473), (1213, 16611), (2373, 8491), (3639, 5537)]