20512163385

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{2411777}}^1$

素因数の和:2411804

約数の個数: 48

約数和(自身を含む): 42138585216

約数和(自身を除く): 21626421831

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 945, 1215, 1701, 2835, 8505, 2411777, 7235331, 12058885, 16882439, 21705993, 36176655, 50647317, 65117979, 84412195, 108529965, 151941951, 195353937, 253236585, 325589895, 455825853, 586061811, 759709755, 976769685, 1367477559, 2279129265, 2930309055, 4102432677, 6837387795, 20512163385]

約数ペア:

[(1, 20512163385), (3, 6837387795), (5, 4102432677), (7, 2930309055), (9, 2279129265), (15, 1367477559), (21, 976769685), (27, 759709755), (35, 586061811), (45, 455825853), (63, 325589895), (81, 253236585), (105, 195353937), (135, 151941951), (189, 108529965), (243, 84412195), (315, 65117979), (405, 50647317), (567, 36176655), (945, 21705993), (1215, 16882439), (1701, 12058885), (2835, 7235331), (8505, 2411777)]