20180916260

素因数分解:

$2^2\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{790169}}^1$

素因数の和:791455

約数の個数: 24

約数和(自身を含む): 42413164920

約数和(自身を除く): 22232248660

約数列:

[1, 2, 4, 5, 10, 20, 1277, 2554, 5108, 6385, 12770, 25540, 790169, 1580338, 3160676, 3950845, 7901690, 15803380, 1009045813, 2018091626, 4036183252, 5045229065, 10090458130, 20180916260]

約数ペア:

[(1, 20180916260), (2, 10090458130), (4, 5045229065), (5, 4036183252), (10, 2018091626), (20, 1009045813), (1277, 15803380), (2554, 7901690), (5108, 3950845), (6385, 3160676), (12770, 1580338), (25540, 790169)]