20656953

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{32327}}^1$

素因数の和:32404

約数の個数: 12

約数和(自身を含む): 30259008

約数和(自身を除く): 9602055

約数列:

[1, 3, 9, 71, 213, 639, 32327, 96981, 290943, 2295217, 6885651, 20656953]

約数ペア:

[(1, 20656953), (3, 6885651), (9, 2295217), (71, 290943), (213, 96981), (639, 32327)]