20147457

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8599}}^1$

素因数の和:8684

約数の個数: 16

約数和(自身を含む): 29721600

約数和(自身を除く): 9574143

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 8599, 25797, 94589, 283767, 610529, 1831587, 6715819, 20147457]

約数ペア:

[(1, 20147457), (3, 6715819), (11, 1831587), (33, 610529), (71, 283767), (213, 94589), (781, 25797), (2343, 8599)]