20687676373

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{32476729}}^1$

素因数の和:32476756

約数の個数: 12

約数和(自身を含む): 25916430540

約数和(自身を除く): 5228754167

約数列:

[1, 7, 13, 49, 91, 637, 32476729, 227337103, 422197477, 1591359721, 2955382339, 20687676373]

約数ペア:

[(1, 20687676373), (7, 2955382339), (13, 1591359721), (49, 422197477), (91, 227337103), (637, 32476729)]