20458523901

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1\times {\mathrm{331543}}^1$

素因数の和:331920

約数の個数: 16

約数和(自身を含む): 27775430144

約数和(自身を除く): 7316906243

約数列:

[1, 3, 67, 201, 307, 921, 20569, 61707, 331543, 994629, 22213381, 66640143, 101783701, 305351103, 6819507967, 20458523901]

約数ペア:

[(1, 20458523901), (3, 6819507967), (67, 305351103), (201, 101783701), (307, 66640143), (921, 22213381), (20569, 994629), (61707, 331543)]