20794865168

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{33161}}^1$

素因数の和:33696

約数の個数: 80

約数和(自身を含む): 50331957120

約数和(自身を除く): 29537091952

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 509, 616, 1018, 1232, 2036, 3563, 4072, 5599, 7126, 8144, 11198, 14252, 22396, 28504, 33161, 39193, 44792, 57008, 66322, 78386, 89584, 132644, 156772, 232127, 265288, 313544, 364771, 464254, 530576, 627088, 729542, 928508, 1459084, 1857016, 2553397, 2918168, 3714032, 5106794, 5836336, 10213588, 16878949, 20427176, 33757898, 40854352, 67515796, 118152643, 135031592, 185668439, 236305286, 270063184, 371336878, 472610572, 742673756, 945221144, 1299679073, 1485347512, 1890442288, 2599358146, 2970695024, 5198716292, 10397432584, 20794865168]

約数ペア:

[(1, 20794865168), (2, 10397432584), (4, 5198716292), (7, 2970695024), (8, 2599358146), (11, 1890442288), (14, 1485347512), (16, 1299679073), (22, 945221144), (28, 742673756), (44, 472610572), (56, 371336878), (77, 270063184), (88, 236305286), (112, 185668439), (154, 135031592), (176, 118152643), (308, 67515796), (509, 40854352), (616, 33757898), (1018, 20427176), (1232, 16878949), (2036, 10213588), (3563, 5836336), (4072, 5106794), (5599, 3714032), (7126, 2918168), (8144, 2553397), (11198, 1857016), (14252, 1459084), (22396, 928508), (28504, 729542), (33161, 627088), (39193, 530576), (44792, 464254), (57008, 364771), (66322, 313544), (78386, 265288), (89584, 232127), (132644, 156772)]