20320812

素因数分解:

$2^2\times 3^2\times {\mathrm{564467}}^1$

素因数の和:564477

約数の個数: 18

約数和(自身を含む): 51366588

約数和(自身を除く): 31045776

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 564467, 1128934, 1693401, 2257868, 3386802, 5080203, 6773604, 10160406, 20320812]

約数ペア:

[(1, 20320812), (2, 10160406), (3, 6773604), (4, 5080203), (6, 3386802), (9, 2257868), (12, 1693401), (18, 1128934), (36, 564467)]