20279821247

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{21782837}}^1$

素因数の和:21782870

約数の個数: 12

約数和(自身を含む): 24832435320

約数和(自身を除く): 4552614073

約数列:

[1, 7, 19, 49, 133, 931, 21782837, 152479859, 413873903, 1067359013, 2897117321, 20279821247]

約数ペア:

[(1, 20279821247), (7, 2897117321), (19, 1067359013), (49, 413873903), (133, 152479859), (931, 21782837)]