16761620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20441}}^1$

素因数の和:20491

約数の個数: 24

約数和(自身を含む): 36059688

約数和(自身を除く): 19298068

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 20441, 40882, 81764, 102205, 204410, 408820, 838081, 1676162, 3352324, 4190405, 8380810, 16761620]

約数ペア:

[(1, 16761620), (2, 8380810), (4, 4190405), (5, 3352324), (10, 1676162), (20, 838081), (41, 408820), (82, 204410), (164, 102205), (205, 81764), (410, 40882), (820, 20441)]