20120939991

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{732283}}^1$

素因数の和:732403

約数の個数: 24

約数和(自身を含む): 30158384256

約数和(自身を除く): 10037444265

約数列:

[1, 3, 9, 43, 71, 129, 213, 387, 639, 3053, 9159, 27477, 732283, 2196849, 6590547, 31488169, 51992093, 94464507, 155976279, 283393521, 467928837, 2235659999, 6706979997, 20120939991]

約数ペア:

[(1, 20120939991), (3, 6706979997), (9, 2235659999), (43, 467928837), (71, 283393521), (129, 155976279), (213, 94464507), (387, 51992093), (639, 31488169), (3053, 6590547), (9159, 2196849), (27477, 732283)]