20682087

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1091}}^1$

素因数の和:1254

約数の個数: 16

約数和(自身を含む): 28304640

約数和(自身を除く): 7622553

約数列:

[1, 3, 71, 89, 213, 267, 1091, 3273, 6319, 18957, 77461, 97099, 232383, 291297, 6894029, 20682087]

約数ペア:

[(1, 20682087), (3, 6894029), (71, 291297), (89, 232383), (213, 97099), (267, 77461), (1091, 18957), (3273, 6319)]