20638299

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{7027}}^1$

素因数の和:7130

約数の個数: 16

約数和(自身を含む): 30360960

約数和(自身を除く): 9722661

約数列:

[1, 3, 11, 33, 89, 267, 979, 2937, 7027, 21081, 77297, 231891, 625403, 1876209, 6879433, 20638299]

約数ペア:

[(1, 20638299), (3, 6879433), (11, 1876209), (33, 625403), (89, 231891), (267, 77297), (979, 21081), (2937, 7027)]