20487340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{35323}}^1$

素因数の和:35361

約数の個数: 24

約数和(自身を含む): 44508240

約数和(自身を除く): 24020900

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 35323, 70646, 141292, 176615, 353230, 706460, 1024367, 2048734, 4097468, 5121835, 10243670, 20487340]

約数ペア:

[(1, 20487340), (2, 10243670), (4, 5121835), (5, 4097468), (10, 2048734), (20, 1024367), (29, 706460), (58, 353230), (116, 176615), (145, 141292), (290, 70646), (580, 35323)]