20510200

素因数分解:

$2^3\times 5^2\times {\mathrm{102551}}^1$

素因数の和:102567

約数の個数: 24

約数和(自身を含む): 47686680

約数和(自身を除く): 27176480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 102551, 205102, 410204, 512755, 820408, 1025510, 2051020, 2563775, 4102040, 5127550, 10255100, 20510200]

約数ペア:

[(1, 20510200), (2, 10255100), (4, 5127550), (5, 4102040), (8, 2563775), (10, 2051020), (20, 1025510), (25, 820408), (40, 512755), (50, 410204), (100, 205102), (200, 102551)]