20081490232

素因数分解:

$2^3\times {\mathrm{1999}}^1\times {\mathrm{1255721}}^1$

素因数の和:1257726

約数の個数: 16

約数和(自身を含む): 37671660000

約数和(自身を除く): 17590169768

約数列:

[1, 2, 4, 8, 1999, 3998, 7996, 15992, 1255721, 2511442, 5022884, 10045768, 2510186279, 5020372558, 10040745116, 20081490232]

約数ペア:

[(1, 20081490232), (2, 10040745116), (4, 5020372558), (8, 2510186279), (1999, 10045768), (3998, 5022884), (7996, 2511442), (15992, 1255721)]