2012015781

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{1079987}}^1$

素因数の和:1080022

約数の個数: 20

約数和(自身を含む): 3136285152

約数和(自身を除く): 1124269371

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 1079987, 3239961, 9719883, 24839701, 29159649, 74519103, 87478947, 223557309, 670671927, 2012015781]

約数ペア:

[(1, 2012015781), (3, 670671927), (9, 223557309), (23, 87478947), (27, 74519103), (69, 29159649), (81, 24839701), (207, 9719883), (621, 3239961), (1863, 1079987)]