20066780

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9377}}^1$

素因数の和:9493

約数の個数: 24

約数和(自身を含む): 42538608

約数和(自身を除く): 22471828

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 9377, 18754, 37508, 46885, 93770, 187540, 1003339, 2006678, 4013356, 5016695, 10033390, 20066780]

約数ペア:

[(1, 20066780), (2, 10033390), (4, 5016695), (5, 4013356), (10, 2006678), (20, 1003339), (107, 187540), (214, 93770), (428, 46885), (535, 37508), (1070, 18754), (2140, 9377)]