20203689

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8623}}^1$

素因数の和:8708

約数の個数: 16

約数和(自身を含む): 29804544

約数和(自身を除く): 9600855

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 8623, 25869, 94853, 284559, 612233, 1836699, 6734563, 20203689]

約数ペア:

[(1, 20203689), (3, 6734563), (11, 1836699), (33, 612233), (71, 284559), (213, 94853), (781, 25869), (2343, 8623)]