20012600

素因数分解:

$2^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2129}}^1$

素因数の和:2192

約数の個数: 48

約数和(自身を含む): 47541600

約数和(自身を除く): 27529000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 188, 200, 235, 376, 470, 940, 1175, 1880, 2129, 2350, 4258, 4700, 8516, 9400, 10645, 17032, 21290, 42580, 53225, 85160, 100063, 106450, 200126, 212900, 400252, 425800, 500315, 800504, 1000630, 2001260, 2501575, 4002520, 5003150, 10006300, 20012600]

約数ペア:

[(1, 20012600), (2, 10006300), (4, 5003150), (5, 4002520), (8, 2501575), (10, 2001260), (20, 1000630), (25, 800504), (40, 500315), (47, 425800), (50, 400252), (94, 212900), (100, 200126), (188, 106450), (200, 100063), (235, 85160), (376, 53225), (470, 42580), (940, 21290), (1175, 17032), (1880, 10645), (2129, 9400), (2350, 8516), (4258, 4700)]