2020199120

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{537287}}^1$

素因数の和:537347

約数の個数: 40

約数和(自身を含む): 4796907264

約数和(自身を除く): 2776708144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 537287, 1074574, 2149148, 2686435, 4298296, 5372870, 8596592, 10745740, 21491480, 25252489, 42982960, 50504978, 101009956, 126262445, 202019912, 252524890, 404039824, 505049780, 1010099560, 2020199120]

約数ペア:

[(1, 2020199120), (2, 1010099560), (4, 505049780), (5, 404039824), (8, 252524890), (10, 202019912), (16, 126262445), (20, 101009956), (40, 50504978), (47, 42982960), (80, 25252489), (94, 21491480), (188, 10745740), (235, 8596592), (376, 5372870), (470, 4298296), (752, 2686435), (940, 2149148), (1880, 1074574), (3760, 537287)]