20031400

素因数分解:

$2^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2131}}^1$

素因数の和:2194

約数の個数: 48

約数和(自身を含む): 47586240

約数和(自身を除く): 27554840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 188, 200, 235, 376, 470, 940, 1175, 1880, 2131, 2350, 4262, 4700, 8524, 9400, 10655, 17048, 21310, 42620, 53275, 85240, 100157, 106550, 200314, 213100, 400628, 426200, 500785, 801256, 1001570, 2003140, 2503925, 4006280, 5007850, 10015700, 20031400]

約数ペア:

[(1, 20031400), (2, 10015700), (4, 5007850), (5, 4006280), (8, 2503925), (10, 2003140), (20, 1001570), (25, 801256), (40, 500785), (47, 426200), (50, 400628), (94, 213100), (100, 200314), (188, 106550), (200, 100157), (235, 85240), (376, 53275), (470, 42620), (940, 21310), (1175, 17048), (1880, 10655), (2131, 9400), (2350, 8524), (4262, 4700)]