20855855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1873}}^1$

素因数の和:2026

約数の個数: 16

約数和(自身を含む): 26715744

約数和(自身を除く): 5859889

約数列:

[1, 5, 17, 85, 131, 655, 1873, 2227, 9365, 11135, 31841, 159205, 245363, 1226815, 4171171, 20855855]

約数ペア:

[(1, 20855855), (5, 4171171), (17, 1226815), (85, 245363), (131, 159205), (655, 31841), (1873, 11135), (2227, 9365)]