20105200

素因数分解:

$2^4\times 5^2\times {\mathrm{50263}}^1$

素因数の和:50281

約数の個数: 30

約数和(自身を含む): 48303704

約数和(自身を除く): 28198504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 50263, 100526, 201052, 251315, 402104, 502630, 804208, 1005260, 1256575, 2010520, 2513150, 4021040, 5026300, 10052600, 20105200]

約数ペア:

[(1, 20105200), (2, 10052600), (4, 5026300), (5, 4021040), (8, 2513150), (10, 2010520), (16, 1256575), (20, 1005260), (25, 804208), (40, 502630), (50, 402104), (80, 251315), (100, 201052), (200, 100526), (400, 50263)]