20123701902

素因数分解:

$2^1\times 3^2\times {\mathrm{1117983439}}^1$

素因数の和:1117983447

約数の個数: 12

約数和(自身を含む): 43601354160

約数和(自身を除く): 23477652258

約数列:

[1, 2, 3, 6, 9, 18, 1117983439, 2235966878, 3353950317, 6707900634, 10061850951, 20123701902]

約数ペア:

[(1, 20123701902), (2, 10061850951), (3, 6707900634), (6, 3353950317), (9, 2235966878), (18, 1117983439)]