20437191

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{1321}}^1$

素因数の和:1524

約数の個数: 20

約数和(自身を含む): 30712704

約数和(自身を除く): 10275513

約数列:

[1, 3, 9, 27, 81, 191, 573, 1321, 1719, 3963, 5157, 11889, 15471, 35667, 107001, 252311, 756933, 2270799, 6812397, 20437191]

約数ペア:

[(1, 20437191), (3, 6812397), (9, 2270799), (27, 756933), (81, 252311), (191, 107001), (573, 35667), (1321, 15471), (1719, 11889), (3963, 5157)]