20205400

素因数分解:

$2^3\times 5^2\times {\mathrm{101027}}^1$

素因数の和:101043

約数の個数: 24

約数和(自身を含む): 46978020

約数和(自身を除く): 26772620

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 101027, 202054, 404108, 505135, 808216, 1010270, 2020540, 2525675, 4041080, 5051350, 10102700, 20205400]

約数ペア:

[(1, 20205400), (2, 10102700), (4, 5051350), (5, 4041080), (8, 2525675), (10, 2020540), (20, 1010270), (25, 808216), (40, 505135), (50, 404108), (100, 202054), (200, 101027)]