206811380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{252209}}^1$

素因数の和:252259

約数の個数: 24

約数和(自身を含む): 444898440

約数和(自身を除く): 238087060

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 252209, 504418, 1008836, 1261045, 2522090, 5044180, 10340569, 20681138, 41362276, 51702845, 103405690, 206811380]

約数ペア:

[(1, 206811380), (2, 103405690), (4, 51702845), (5, 41362276), (10, 20681138), (20, 10340569), (41, 5044180), (82, 2522090), (164, 1261045), (205, 1008836), (410, 504418), (820, 252209)]