20335005

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3251}}^1$

素因数の和:3401

約数の個数: 24

約数和(自身を含む): 35511840

約数和(自身を除く): 15176835

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 3251, 6255, 9753, 16255, 29259, 48765, 146295, 451889, 1355667, 2259445, 4067001, 6778335, 20335005]

約数ペア:

[(1, 20335005), (3, 6778335), (5, 4067001), (9, 2259445), (15, 1355667), (45, 451889), (139, 146295), (417, 48765), (695, 29259), (1251, 16255), (2085, 9753), (3251, 6255)]