15941620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19441}}^1$

素因数の和:19491

約数の個数: 24

約数和(自身を含む): 34295688

約数和(自身を除く): 18354068

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 19441, 38882, 77764, 97205, 194410, 388820, 797081, 1594162, 3188324, 3985405, 7970810, 15941620]

約数ペア:

[(1, 15941620), (2, 7970810), (4, 3985405), (5, 3188324), (10, 1594162), (20, 797081), (41, 388820), (82, 194410), (164, 97205), (205, 77764), (410, 38882), (820, 19441)]