20171249285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1\times {\mathrm{9949}}^1$

素因数の和:10349

約数の個数: 32

約数和(自身を含む): 26684467200

約数和(自身を除く): 6513217915

約数列:

[1, 5, 11, 55, 191, 193, 955, 965, 2101, 2123, 9949, 10505, 10615, 36863, 49745, 109439, 184315, 405493, 547195, 1900259, 1920157, 2027465, 9501295, 9600785, 20902849, 21121727, 104514245, 105608635, 366749987, 1833749935, 4034249857, 20171249285]

約数ペア:

[(1, 20171249285), (5, 4034249857), (11, 1833749935), (55, 366749987), (191, 105608635), (193, 104514245), (955, 21121727), (965, 20902849), (2101, 9600785), (2123, 9501295), (9949, 2027465), (10505, 1920157), (10615, 1900259), (36863, 547195), (49745, 405493), (109439, 184315)]