2097020

素因数分解:

$2^2\times 5^1\times {\mathrm{104851}}^1$

素因数の和:104860

約数の個数: 12

約数和(自身を含む): 4403784

約数和(自身を除く): 2306764

約数列:

[1, 2, 4, 5, 10, 20, 104851, 209702, 419404, 524255, 1048510, 2097020]

約数ペア:

[(1, 2097020), (2, 1048510), (4, 524255), (5, 419404), (10, 209702), (20, 104851)]