20408088691

素因数分解:

${\mathrm{47}}^1\times {\mathrm{61}}^3\times {\mathrm{1913}}^1$

素因数の和:2143

約数の個数: 16

約数和(自身を含む): 21200750208

約数和(自身を除く): 792661517

約数列:

[1, 47, 61, 1913, 2867, 3721, 89911, 116693, 174887, 226981, 5484571, 7118273, 10668107, 334558831, 434214653, 20408088691]

約数ペア:

[(1, 20408088691), (47, 434214653), (61, 334558831), (1913, 10668107), (2867, 7118273), (3721, 5484571), (89911, 226981), (116693, 174887)]