20584287

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 33546240

約数和(自身を除く): 12961953

約数列:

[1, 3, 9, 23, 27, 29, 69, 81, 87, 127, 207, 243, 261, 381, 621, 667, 783, 1143, 1863, 2001, 2349, 2921, 3429, 3683, 5589, 6003, 7047, 8763, 10287, 11049, 18009, 26289, 30861, 33147, 54027, 78867, 84709, 99441, 162081, 236601, 254127, 298323, 709803, 762381, 894969, 2287143, 6861429, 20584287]

約数ペア:

[(1, 20584287), (3, 6861429), (9, 2287143), (23, 894969), (27, 762381), (29, 709803), (69, 298323), (81, 254127), (87, 236601), (127, 162081), (207, 99441), (243, 84709), (261, 78867), (381, 54027), (621, 33147), (667, 30861), (783, 26289), (1143, 18009), (1863, 11049), (2001, 10287), (2349, 8763), (2921, 7047), (3429, 6003), (3683, 5589)]