20751207

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{1493}}^1$

素因数の和:1650

約数の個数: 16

約数和(自身を含む): 28613088

約数和(自身を除く): 7861881

約数列:

[1, 3, 41, 113, 123, 339, 1493, 4479, 4633, 13899, 61213, 168709, 183639, 506127, 6917069, 20751207]

約数ペア:

[(1, 20751207), (3, 6917069), (41, 506127), (113, 183639), (123, 168709), (339, 61213), (1493, 13899), (4479, 4633)]