20207870

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{30161}}^1$

素因数の和:30235

約数の個数: 16

約数和(自身を含む): 36918288

約数和(自身を除く): 16710418

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 30161, 60322, 150805, 301610, 2020787, 4041574, 10103935, 20207870]

約数ペア:

[(1, 20207870), (2, 10103935), (5, 4041574), (10, 2020787), (67, 301610), (134, 150805), (335, 60322), (670, 30161)]