20486615

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{8311}}^1$

素因数の和:8362

約数の個数: 16

約数和(自身を含む): 26930880

約数和(自身を除く): 6444265

約数列:

[1, 5, 17, 29, 85, 145, 493, 2465, 8311, 41555, 141287, 241019, 706435, 1205095, 4097323, 20486615]

約数ペア:

[(1, 20486615), (5, 4097323), (17, 1205095), (29, 706435), (85, 241019), (145, 141287), (493, 41555), (2465, 8311)]