20206360

素因数分解:

$2^3\times 5^1\times {\mathrm{505159}}^1$

素因数の和:505170

約数の個数: 16

約数和(自身を含む): 45464400

約数和(自身を除く): 25258040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 505159, 1010318, 2020636, 2525795, 4041272, 5051590, 10103180, 20206360]

約数ペア:

[(1, 20206360), (2, 10103180), (4, 5051590), (5, 4041272), (8, 2525795), (10, 2020636), (20, 1010318), (40, 505159)]