2020125560

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{567451}}^1$

素因数の和:567551

約数の個数: 32

約数和(自身を含む): 4596361200

約数和(自身を除く): 2576235640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 567451, 1134902, 2269804, 2837255, 4539608, 5674510, 11349020, 22698040, 50503139, 101006278, 202012556, 252515695, 404025112, 505031390, 1010062780, 2020125560]

約数ペア:

[(1, 2020125560), (2, 1010062780), (4, 505031390), (5, 404025112), (8, 252515695), (10, 202012556), (20, 101006278), (40, 50503139), (89, 22698040), (178, 11349020), (356, 5674510), (445, 4539608), (712, 2837255), (890, 2269804), (1780, 1134902), (3560, 567451)]