20399459

素因数分解:

${\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:314

約数の個数: 16

約数和(自身を含む): 21964800

約数和(自身を除く): 1565341

約数列:

[1, 23, 79, 103, 109, 1817, 2369, 2507, 8137, 8611, 11227, 187151, 198053, 258221, 886933, 20399459]

約数ペア:

[(1, 20399459), (23, 886933), (79, 258221), (103, 198053), (109, 187151), (1817, 11227), (2369, 8611), (2507, 8137)]