20490066

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2309}}^1$

素因数の和:2363

約数の個数: 48

約数和(自身を含む): 48648600

約数和(自身を除く): 28158534

約数列:

[1, 2, 3, 6, 9, 17, 18, 29, 34, 51, 58, 87, 102, 153, 174, 261, 306, 493, 522, 986, 1479, 2309, 2958, 4437, 4618, 6927, 8874, 13854, 20781, 39253, 41562, 66961, 78506, 117759, 133922, 200883, 235518, 353277, 401766, 602649, 706554, 1138337, 1205298, 2276674, 3415011, 6830022, 10245033, 20490066]

約数ペア:

[(1, 20490066), (2, 10245033), (3, 6830022), (6, 3415011), (9, 2276674), (17, 1205298), (18, 1138337), (29, 706554), (34, 602649), (51, 401766), (58, 353277), (87, 235518), (102, 200883), (153, 133922), (174, 117759), (261, 78506), (306, 66961), (493, 41562), (522, 39253), (986, 20781), (1479, 13854), (2309, 8874), (2958, 6927), (4437, 4618)]