20703245

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2011}}^1$

素因数の和:2116

約数の個数: 16

約数和(自身を含む): 26075520

約数和(自身を除く): 5372275

約数列:

[1, 5, 29, 71, 145, 355, 2011, 2059, 10055, 10295, 58319, 142781, 291595, 713905, 4140649, 20703245]

約数ペア:

[(1, 20703245), (5, 4140649), (29, 713905), (71, 291595), (145, 142781), (355, 58319), (2011, 10295), (2059, 10055)]