20397306

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{47881}}^1$

素因数の和:47957

約数の個数: 16

約数和(自身を含む): 41370048

約数和(自身を除く): 20972742

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 47881, 95762, 143643, 287286, 3399551, 6799102, 10198653, 20397306]

約数ペア:

[(1, 20397306), (2, 10198653), (3, 6799102), (6, 3399551), (71, 287286), (142, 143643), (213, 95762), (426, 47881)]