20518233

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{2011}}^1$

素因数の和:2212

約数の個数: 16

約数和(自身を含む): 28972800

約数和(自身を除く): 8454567

約数列:

[1, 3, 19, 57, 179, 537, 2011, 3401, 6033, 10203, 38209, 114627, 359969, 1079907, 6839411, 20518233]

約数ペア:

[(1, 20518233), (3, 6839411), (19, 1079907), (57, 359969), (179, 114627), (537, 38209), (2011, 10203), (3401, 6033)]