16925620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20641}}^1$

素因数の和:20691

約数の個数: 24

約数和(自身を含む): 36412488

約数和(自身を除く): 19486868

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 20641, 41282, 82564, 103205, 206410, 412820, 846281, 1692562, 3385124, 4231405, 8462810, 16925620]

約数ペア:

[(1, 16925620), (2, 8462810), (4, 4231405), (5, 3385124), (10, 1692562), (20, 846281), (41, 412820), (82, 206410), (164, 103205), (205, 82564), (410, 41282), (820, 20641)]