20168638

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{857}}^1$

素因数の和:948

約数の個数: 24

約数和(自身を含む): 35480016

約数和(自身を除く): 15311378

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 857, 1681, 1714, 3362, 5999, 11767, 11998, 23534, 35137, 70274, 245959, 491918, 1440617, 2881234, 10084319, 20168638]

約数ペア:

[(1, 20168638), (2, 10084319), (7, 2881234), (14, 1440617), (41, 491918), (82, 245959), (287, 70274), (574, 35137), (857, 23534), (1681, 11998), (1714, 11767), (3362, 5999)]