20019374907

素因数分解:

$3^1\times 7^1\times {\mathrm{45641}}^1\times {\mathrm{20887}}^1$

素因数の和:66538

約数の個数: 16

約数和(自身を含む): 30507843072

約数和(自身を除く): 10488468165

約数列:

[1, 3, 7, 21, 20887, 45641, 62661, 136923, 146209, 319487, 438627, 958461, 953303567, 2859910701, 6673124969, 20019374907]

約数ペア:

[(1, 20019374907), (3, 6673124969), (7, 2859910701), (21, 953303567), (20887, 958461), (45641, 438627), (62661, 319487), (136923, 146209)]