20804639

素因数分解:

${\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:422

約数の個数: 16

約数和(自身を含む): 22684800

約数和(自身を除く): 1880161

約数列:

[1, 19, 59, 67, 277, 1121, 1273, 3953, 5263, 16343, 18559, 75107, 310517, 352621, 1094981, 20804639]

約数ペア:

[(1, 20804639), (19, 1094981), (59, 352621), (67, 310517), (277, 75107), (1121, 18559), (1273, 16343), (3953, 5263)]