20121970881

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{1135103}}^1$

素因数の和:1135436

約数の個数: 16

約数和(自身を含む): 28332195840

約数和(自身を除く): 8210224959

約数列:

[1, 3, 19, 57, 311, 933, 5909, 17727, 1135103, 3405309, 21566957, 64700871, 353017033, 1059051099, 6707323627, 20121970881]

約数ペア:

[(1, 20121970881), (3, 6707323627), (19, 1059051099), (57, 353017033), (311, 64700871), (933, 21566957), (5909, 3405309), (17727, 1135103)]