20664037

素因数分解:

${\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:372

約数の個数: 16

約数和(自身を含む): 22271040

約数和(自身を除く): 1607003

約数列:

[1, 29, 43, 73, 227, 1247, 2117, 3139, 6583, 9761, 16571, 91031, 283069, 480559, 712553, 20664037]

約数ペア:

[(1, 20664037), (29, 712553), (43, 480559), (73, 283069), (227, 91031), (1247, 16571), (2117, 9761), (3139, 6583)]