20786598

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{433}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 53329920

約数和(自身を除く): 32543322

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 127, 189, 254, 378, 381, 433, 762, 866, 889, 1143, 1299, 1778, 2286, 2598, 2667, 3031, 3429, 3897, 5334, 6062, 6858, 7794, 8001, 9093, 11691, 16002, 18186, 23382, 24003, 27279, 48006, 54558, 54991, 81837, 109982, 163674, 164973, 329946, 384937, 494919, 769874, 989838, 1154811, 1484757, 2309622, 2969514, 3464433, 6928866, 10393299, 20786598]

約数ペア:

[(1, 20786598), (2, 10393299), (3, 6928866), (6, 3464433), (7, 2969514), (9, 2309622), (14, 1484757), (18, 1154811), (21, 989838), (27, 769874), (42, 494919), (54, 384937), (63, 329946), (126, 164973), (127, 163674), (189, 109982), (254, 81837), (378, 54991), (381, 54558), (433, 48006), (762, 27279), (866, 24003), (889, 23382), (1143, 18186), (1299, 16002), (1778, 11691), (2286, 9093), (2598, 8001), (2667, 7794), (3031, 6858), (3429, 6062), (3897, 5334)]