20091043

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{773}}^1$

素因数の和:906

約数の個数: 16

約数和(自身を含む): 23777280

約数和(自身を除く): 3686237

約数列:

[1, 7, 47, 79, 329, 553, 773, 3713, 5411, 25991, 36331, 61067, 254317, 427469, 2870149, 20091043]

約数ペア:

[(1, 20091043), (7, 2870149), (47, 427469), (79, 254317), (329, 61067), (553, 36331), (773, 25991), (3713, 5411)]