20808880323

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{81967}}^1$

素因数の和:82152

約数の個数: 48

約数和(自身を含む): 35433782784

約数和(自身を除く): 14624902461

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 157, 231, 471, 539, 1099, 1617, 1727, 3297, 5181, 7693, 12089, 23079, 36267, 81967, 84623, 245901, 253869, 573769, 901637, 1721307, 2704911, 4016383, 6311459, 12049149, 12868819, 18934377, 38606457, 44180213, 90081733, 132540639, 141557009, 270245199, 424671027, 630572131, 990899063, 1891716393, 2972697189, 6936293441, 20808880323]

約数ペア:

[(1, 20808880323), (3, 6936293441), (7, 2972697189), (11, 1891716393), (21, 990899063), (33, 630572131), (49, 424671027), (77, 270245199), (147, 141557009), (157, 132540639), (231, 90081733), (471, 44180213), (539, 38606457), (1099, 18934377), (1617, 12868819), (1727, 12049149), (3297, 6311459), (5181, 4016383), (7693, 2704911), (12089, 1721307), (23079, 901637), (36267, 573769), (81967, 253869), (84623, 245901)]