20299377

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{8123}}^1$

素因数の和:8157

約数の個数: 24

約数和(自身を含む): 33340896

約数和(自身を除く): 13041519

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 8123, 24369, 56861, 138091, 170583, 398027, 414273, 966637, 1194081, 2899911, 6766459, 20299377]

約数ペア:

[(1, 20299377), (3, 6766459), (7, 2899911), (17, 1194081), (21, 966637), (49, 414273), (51, 398027), (119, 170583), (147, 138091), (357, 56861), (833, 24369), (2499, 8123)]