20844500

素因数分解:

$2^2\times 5^3\times {\mathrm{47}}^1\times {\mathrm{887}}^1$

素因数の和:953

約数の個数: 48

約数和(自身を含む): 46545408

約数和(自身を除く): 25700908

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 125, 188, 235, 250, 470, 500, 887, 940, 1175, 1774, 2350, 3548, 4435, 4700, 5875, 8870, 11750, 17740, 22175, 23500, 41689, 44350, 83378, 88700, 110875, 166756, 208445, 221750, 416890, 443500, 833780, 1042225, 2084450, 4168900, 5211125, 10422250, 20844500]

約数ペア:

[(1, 20844500), (2, 10422250), (4, 5211125), (5, 4168900), (10, 2084450), (20, 1042225), (25, 833780), (47, 443500), (50, 416890), (94, 221750), (100, 208445), (125, 166756), (188, 110875), (235, 88700), (250, 83378), (470, 44350), (500, 41689), (887, 23500), (940, 22175), (1175, 17740), (1774, 11750), (2350, 8870), (3548, 5875), (4435, 4700)]