20876493

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{199}}^1$

素因数の和:258

約数の個数: 36

約数和(自身を含む): 32664800

約数和(自身を除く): 11788307

約数列:

[1, 3, 11, 17, 33, 51, 121, 187, 199, 289, 363, 561, 597, 867, 2057, 2189, 3179, 3383, 6171, 6567, 9537, 10149, 24079, 34969, 37213, 57511, 72237, 104907, 111639, 172533, 409343, 632621, 1228029, 1897863, 6958831, 20876493]

約数ペア:

[(1, 20876493), (3, 6958831), (11, 1897863), (17, 1228029), (33, 632621), (51, 409343), (121, 172533), (187, 111639), (199, 104907), (289, 72237), (363, 57511), (561, 37213), (597, 34969), (867, 24079), (2057, 10149), (2189, 9537), (3179, 6567), (3383, 6171)]