20446424

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 39285120

約数和(自身を除く): 18838696

約数列:

[1, 2, 4, 8, 73, 146, 157, 223, 292, 314, 446, 584, 628, 892, 1256, 1784, 11461, 16279, 22922, 32558, 35011, 45844, 65116, 70022, 91688, 130232, 140044, 280088, 2555803, 5111606, 10223212, 20446424]

約数ペア:

[(1, 20446424), (2, 10223212), (4, 5111606), (8, 2555803), (73, 280088), (146, 140044), (157, 130232), (223, 91688), (292, 70022), (314, 65116), (446, 45844), (584, 35011), (628, 32558), (892, 22922), (1256, 16279), (1784, 11461)]