20512073390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1301}}^1\times {\mathrm{82981}}^1$

素因数の和:84308

約数の個数: 32

約数和(自身を含む): 38895323040

約数和(自身を除く): 18383249650

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1301, 2602, 6505, 13010, 24719, 49438, 82981, 123595, 165962, 247190, 414905, 829810, 1576639, 3153278, 7883195, 15766390, 107958281, 215916562, 539791405, 1079582810, 2051207339, 4102414678, 10256036695, 20512073390]

約数ペア:

[(1, 20512073390), (2, 10256036695), (5, 4102414678), (10, 2051207339), (19, 1079582810), (38, 539791405), (95, 215916562), (190, 107958281), (1301, 15766390), (2602, 7883195), (6505, 3153278), (13010, 1576639), (24719, 829810), (49438, 414905), (82981, 247190), (123595, 165962)]