20804877258

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{821}}^1\times {\mathrm{1949}}^1$

素因数の和:2983

約数の個数: 64

約数和(自身を含む): 45701884800

約数和(自身を除く): 24897007542

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 197, 394, 591, 821, 1182, 1642, 1949, 2167, 2463, 3898, 4334, 4926, 5847, 6501, 9031, 11694, 13002, 18062, 21439, 27093, 42878, 54186, 64317, 128634, 161737, 323474, 383953, 485211, 767906, 970422, 1151859, 1600129, 1779107, 2303718, 3200258, 3558214, 4223483, 4800387, 5337321, 8446966, 9600774, 10674642, 12670449, 17601419, 25340898, 35202838, 52804257, 105608514, 315225413, 630450826, 945676239, 1891352478, 3467479543, 6934959086, 10402438629, 20804877258]

約数ペア:

[(1, 20804877258), (2, 10402438629), (3, 6934959086), (6, 3467479543), (11, 1891352478), (22, 945676239), (33, 630450826), (66, 315225413), (197, 105608514), (394, 52804257), (591, 35202838), (821, 25340898), (1182, 17601419), (1642, 12670449), (1949, 10674642), (2167, 9600774), (2463, 8446966), (3898, 5337321), (4334, 4800387), (4926, 4223483), (5847, 3558214), (6501, 3200258), (9031, 2303718), (11694, 1779107), (13002, 1600129), (18062, 1151859), (21439, 970422), (27093, 767906), (42878, 485211), (54186, 383953), (64317, 323474), (128634, 161737)]