20679021

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1117}}^1$

素因数の和:1162

約数の個数: 36

約数和(自身を含む): 34794396

約数和(自身を除く): 14115375

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 121, 153, 187, 363, 561, 1089, 1117, 1683, 2057, 3351, 6171, 10053, 12287, 18513, 18989, 36861, 56967, 110583, 135157, 170901, 208879, 405471, 626637, 1216413, 1879911, 2297669, 6893007, 20679021]

約数ペア:

[(1, 20679021), (3, 6893007), (9, 2297669), (11, 1879911), (17, 1216413), (33, 626637), (51, 405471), (99, 208879), (121, 170901), (153, 135157), (187, 110583), (363, 56967), (561, 36861), (1089, 18989), (1117, 18513), (1683, 12287), (2057, 10053), (3351, 6171)]