20831486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42169}}^1$

素因数の和:42203

約数の個数: 16

約数和(自身を含む): 35422800

約数和(自身を除く): 14591314

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 42169, 84338, 548197, 801211, 1096394, 1602422, 10415743, 20831486]

約数ペア:

[(1, 20831486), (2, 10415743), (13, 1602422), (19, 1096394), (26, 801211), (38, 548197), (247, 84338), (494, 42169)]