20215029

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{467}}^1$

素因数の和:824

約数の個数: 16

約数和(自身を含む): 27675648

約数和(自身を除く): 7460619

約数列:

[1, 3, 47, 141, 307, 467, 921, 1401, 14429, 21949, 43287, 65847, 143369, 430107, 6738343, 20215029]

約数ペア:

[(1, 20215029), (3, 6738343), (47, 430107), (141, 143369), (307, 65847), (467, 43287), (921, 21949), (1401, 14429)]