20418534

素因数分解:

$2^1\times 3^3\times {\mathrm{109}}^1\times {\mathrm{3469}}^1$

素因数の和:3589

約数の個数: 32

約数和(自身を含む): 45804000

約数和(自身を除く): 25385466

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 109, 218, 327, 654, 981, 1962, 2943, 3469, 5886, 6938, 10407, 20814, 31221, 62442, 93663, 187326, 378121, 756242, 1134363, 2268726, 3403089, 6806178, 10209267, 20418534]

約数ペア:

[(1, 20418534), (2, 10209267), (3, 6806178), (6, 3403089), (9, 2268726), (18, 1134363), (27, 756242), (54, 378121), (109, 187326), (218, 93663), (327, 62442), (654, 31221), (981, 20814), (1962, 10407), (2943, 6938), (3469, 5886)]