20387218943

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{1129}}^1\times {\mathrm{198437}}^1$

素因数の和:199586

約数の個数: 16

約数和(自身を含む): 25114313280

約数和(自身を除く): 4727094337

約数列:

[1, 7, 13, 91, 1129, 7903, 14677, 102739, 198437, 1389059, 2579681, 18057767, 224035373, 1568247611, 2912459849, 20387218943]

約数ペア:

[(1, 20387218943), (7, 2912459849), (13, 1568247611), (91, 224035373), (1129, 18057767), (7903, 2579681), (14677, 1389059), (102739, 198437)]