20050227

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 31449600

約数和(自身を除く): 11399373

約数列:

[1, 3, 9, 23, 27, 69, 83, 207, 249, 389, 621, 747, 1167, 1909, 2241, 3501, 5727, 8947, 10503, 17181, 26841, 32287, 51543, 80523, 96861, 241569, 290583, 742601, 871749, 2227803, 6683409, 20050227]

約数ペア:

[(1, 20050227), (3, 6683409), (9, 2227803), (23, 871749), (27, 742601), (69, 290583), (83, 241569), (207, 96861), (249, 80523), (389, 51543), (621, 32287), (747, 26841), (1167, 17181), (1909, 10503), (2241, 8947), (3501, 5727)]