20299913

素因数分解:

${\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:368

約数の個数: 16

約数和(自身を含む): 21880320

約数和(自身を除く): 1580407

約数列:

[1, 29, 43, 73, 223, 1247, 2117, 3139, 6467, 9589, 16279, 91031, 278081, 472091, 699997, 20299913]

約数ペア:

[(1, 20299913), (29, 699997), (43, 472091), (73, 278081), (223, 91031), (1247, 16279), (2117, 9589), (3139, 6467)]