20762487

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{1871}}^1$

素因数の和:2020

約数の個数: 20

約数和(自身を含む): 31258656

約数和(自身を除く): 10496169

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 1871, 3699, 5613, 11097, 16839, 50517, 151551, 256327, 768981, 2306943, 6920829, 20762487]

約数ペア:

[(1, 20762487), (3, 6920829), (9, 2306943), (27, 768981), (81, 256327), (137, 151551), (411, 50517), (1233, 16839), (1871, 11097), (3699, 5613)]