20530017

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{1327}}^1$

素因数の和:1530

約数の個数: 20

約数和(自身を含む): 30852096

約数和(自身を除く): 10322079

約数列:

[1, 3, 9, 27, 81, 191, 573, 1327, 1719, 3981, 5157, 11943, 15471, 35829, 107487, 253457, 760371, 2281113, 6843339, 20530017]

約数ペア:

[(1, 20530017), (3, 6843339), (9, 2281113), (27, 760371), (81, 253457), (191, 107487), (573, 35829), (1327, 15471), (1719, 11943), (3981, 5157)]