20154040

素因数分解:

$2^3\times 5^1\times {\mathrm{503851}}^1$

素因数の和:503862

約数の個数: 16

約数和(自身を含む): 45346680

約数和(自身を除く): 25192640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503851, 1007702, 2015404, 2519255, 4030808, 5038510, 10077020, 20154040]

約数ペア:

[(1, 20154040), (2, 10077020), (4, 5038510), (5, 4030808), (8, 2519255), (10, 2015404), (20, 1007702), (40, 503851)]