20243421

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:698

約数の個数: 36

約数和(自身を含む): 33300540

約数和(自身を除く): 13057119

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 121, 261, 319, 363, 641, 957, 1089, 1923, 2871, 3509, 5769, 7051, 10527, 18589, 21153, 31581, 55767, 63459, 77561, 167301, 204479, 232683, 613437, 698049, 1840311, 2249269, 6747807, 20243421]

約数ペア:

[(1, 20243421), (3, 6747807), (9, 2249269), (11, 1840311), (29, 698049), (33, 613437), (87, 232683), (99, 204479), (121, 167301), (261, 77561), (319, 63459), (363, 55767), (641, 31581), (957, 21153), (1089, 18589), (1923, 10527), (2871, 7051), (3509, 5769)]