20804938343

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1680121}}^1$

素因数の和:1680218

約数の個数: 16

約数和(自身を含む): 25000215360

約数和(自身を除く): 4195277017

約数列:

[1, 7, 29, 61, 203, 427, 1769, 12383, 1680121, 11760847, 48723509, 102487381, 341064563, 717411667, 2972134049, 20804938343]

約数ペア:

[(1, 20804938343), (7, 2972134049), (29, 717411667), (61, 341064563), (203, 102487381), (427, 48723509), (1769, 11760847), (12383, 1680121)]