20406762

素因数分解:

$2^1\times 3^3\times {\mathrm{109}}^1\times {\mathrm{3467}}^1$

素因数の和:3587

約数の個数: 32

約数和(自身を含む): 45777600

約数和(自身を除く): 25370838

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 109, 218, 327, 654, 981, 1962, 2943, 3467, 5886, 6934, 10401, 20802, 31203, 62406, 93609, 187218, 377903, 755806, 1133709, 2267418, 3401127, 6802254, 10203381, 20406762]

約数ペア:

[(1, 20406762), (2, 10203381), (3, 6802254), (6, 3401127), (9, 2267418), (18, 1133709), (27, 755806), (54, 377903), (109, 187218), (218, 93609), (327, 62406), (654, 31203), (981, 20802), (1962, 10401), (2943, 6934), (3467, 5886)]