20375505

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23831}}^1$

素因数の和:23861

約数の個数: 24

約数和(自身を含む): 37177920

約数和(自身を除く): 16802415

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 23831, 71493, 119155, 214479, 357465, 452789, 1072395, 1358367, 2263945, 4075101, 6791835, 20375505]

約数ペア:

[(1, 20375505), (3, 6791835), (5, 4075101), (9, 2263945), (15, 1358367), (19, 1072395), (45, 452789), (57, 357465), (95, 214479), (171, 119155), (285, 71493), (855, 23831)]