20852600

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2543}}^1$

素因数の和:2600

約数の個数: 48

約数和(自身を含む): 49684320

約数和(自身を除く): 28831720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 2543, 4100, 5086, 8200, 10172, 12715, 20344, 25430, 50860, 63575, 101720, 104263, 127150, 208526, 254300, 417052, 508600, 521315, 834104, 1042630, 2085260, 2606575, 4170520, 5213150, 10426300, 20852600]

約数ペア:

[(1, 20852600), (2, 10426300), (4, 5213150), (5, 4170520), (8, 2606575), (10, 2085260), (20, 1042630), (25, 834104), (40, 521315), (41, 508600), (50, 417052), (82, 254300), (100, 208526), (164, 127150), (200, 104263), (205, 101720), (328, 63575), (410, 50860), (820, 25430), (1025, 20344), (1640, 12715), (2050, 10172), (2543, 8200), (4100, 5086)]