20550189

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{6997}}^1$

素因数の和:7100

約数の個数: 16

約数和(自身を含む): 30231360

約数和(自身を除く): 9681171

約数列:

[1, 3, 11, 33, 89, 267, 979, 2937, 6997, 20991, 76967, 230901, 622733, 1868199, 6850063, 20550189]

約数ペア:

[(1, 20550189), (3, 6850063), (11, 1868199), (33, 622733), (89, 230901), (267, 76967), (979, 20991), (2937, 6997)]