20211287560

素因数分解:

$2^3\times 5^1\times {\mathrm{505282189}}^1$

素因数の和:505282200

約数の個数: 16

約数和(自身を含む): 45475397100

約数和(自身を除く): 25264109540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 505282189, 1010564378, 2021128756, 2526410945, 4042257512, 5052821890, 10105643780, 20211287560]

約数ペア:

[(1, 20211287560), (2, 10105643780), (4, 5052821890), (5, 4042257512), (8, 2526410945), (10, 2021128756), (20, 1010564378), (40, 505282189)]