20025760

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2663}}^1$

素因数の和:2725

約数の個数: 48

約数和(自身を含む): 48335616

約数和(自身を除く): 28309856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 2663, 3760, 5326, 7520, 10652, 13315, 21304, 26630, 42608, 53260, 85216, 106520, 125161, 213040, 250322, 426080, 500644, 625805, 1001288, 1251610, 2002576, 2503220, 4005152, 5006440, 10012880, 20025760]

約数ペア:

[(1, 20025760), (2, 10012880), (4, 5006440), (5, 4005152), (8, 2503220), (10, 2002576), (16, 1251610), (20, 1001288), (32, 625805), (40, 500644), (47, 426080), (80, 250322), (94, 213040), (160, 125161), (188, 106520), (235, 85216), (376, 53260), (470, 42608), (752, 26630), (940, 21304), (1504, 13315), (1880, 10652), (2663, 7520), (3760, 5326)]