2016995731780

素因数分解:

$2^2\times 5^1\times {\mathrm{223007}}^1\times {\mathrm{452227}}^1$

素因数の和:675243

約数の個数: 24

約数和(自身を含む): 4235719396608

約数和(自身を除く): 2218723664828

約数列:

[1, 2, 4, 5, 10, 20, 223007, 446014, 452227, 892028, 904454, 1115035, 1808908, 2230070, 2261135, 4460140, 4522270, 9044540, 100849786589, 201699573178, 403399146356, 504248932945, 1008497865890, 2016995731780]

約数ペア:

[(1, 2016995731780), (2, 1008497865890), (4, 504248932945), (5, 403399146356), (10, 201699573178), (20, 100849786589), (223007, 9044540), (446014, 4522270), (452227, 4460140), (892028, 2261135), (904454, 2230070), (1115035, 1808908)]