20098221

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{4259}}^1$

素因数の和:4297

約数の個数: 24

約数和(自身を含む): 31728480

約数和(自身を除く): 11630259

約数列:

[1, 3, 11, 13, 33, 39, 121, 143, 363, 429, 1573, 4259, 4719, 12777, 46849, 55367, 140547, 166101, 515339, 609037, 1546017, 1827111, 6699407, 20098221]

約数ペア:

[(1, 20098221), (3, 6699407), (11, 1827111), (13, 1546017), (33, 609037), (39, 515339), (121, 166101), (143, 140547), (363, 55367), (429, 46849), (1573, 12777), (4259, 4719)]