20638629

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12263}}^1$

素因数の和:12297

約数の個数: 24

約数和(自身を含む): 34437312

約数和(自身を除く): 13798683

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 12263, 36789, 110367, 134893, 208471, 404679, 625413, 1214037, 1876239, 2293181, 6879543, 20638629]

約数ペア:

[(1, 20638629), (3, 6879543), (9, 2293181), (11, 1876239), (17, 1214037), (33, 625413), (51, 404679), (99, 208471), (153, 134893), (187, 110367), (561, 36789), (1683, 12263)]