20942100575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{283097}}^1$

素因数の和:283387

約数の個数: 24

約数和(自身を含む): 28434363120

約数和(自身を除く): 7492262545

約数列:

[1, 5, 11, 25, 55, 269, 275, 1345, 2959, 6725, 14795, 73975, 283097, 1415485, 3114067, 7077425, 15570335, 76153093, 77851675, 380765465, 837684023, 1903827325, 4188420115, 20942100575]

約数ペア:

[(1, 20942100575), (5, 4188420115), (11, 1903827325), (25, 837684023), (55, 380765465), (269, 77851675), (275, 76153093), (1345, 15570335), (2959, 7077425), (6725, 3114067), (14795, 1415485), (73975, 283097)]