20191547588

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{389}}^1\times {\mathrm{244841}}^1$

素因数の和:245287

約数の個数: 24

約数和(自身を含む): 36094607640

約数和(自身を除く): 15903060052

約数列:

[1, 2, 4, 53, 106, 212, 389, 778, 1556, 20617, 41234, 82468, 244841, 489682, 979364, 12976573, 25953146, 51906292, 95243149, 190486298, 380972596, 5047886897, 10095773794, 20191547588]

約数ペア:

[(1, 20191547588), (2, 10095773794), (4, 5047886897), (53, 380972596), (106, 190486298), (212, 95243149), (389, 51906292), (778, 25953146), (1556, 12976573), (20617, 979364), (41234, 489682), (82468, 244841)]