20405264881

素因数分解:

${\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{503}}^1\times {\mathrm{4657}}^1$

素因数の和:5472

約数の個数: 16

約数和(自身を含む): 21185031168

約数和(自身を除く): 779766287

約数列:

[1, 31, 281, 503, 4657, 8711, 15593, 141343, 144367, 1308617, 2342471, 4381633, 40567127, 72616601, 658234351, 20405264881]

約数ペア:

[(1, 20405264881), (31, 658234351), (281, 72616601), (503, 40567127), (4657, 4381633), (8711, 2342471), (15593, 1308617), (141343, 144367)]