20081789

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3023}}^1$

素因数の和:3116

約数の個数: 16

約数和(自身を含む): 25062912

約数和(自身を除く): 4981123

約数列:

[1, 7, 13, 73, 91, 511, 949, 3023, 6643, 21161, 39299, 220679, 275093, 1544753, 2868827, 20081789]

約数ペア:

[(1, 20081789), (7, 2868827), (13, 1544753), (73, 275093), (91, 220679), (511, 39299), (949, 21161), (3023, 6643)]