20929887

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3709}}^1$

素因数の和:3748

約数の個数: 32

約数和(自身を含む): 35616000

約数和(自身を除く): 14686113

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881, 3709, 5643, 11127, 33381, 40799, 70471, 100143, 122397, 211413, 367191, 634239, 775181, 1101573, 1902717, 2325543, 6976629, 20929887]

約数ペア:

[(1, 20929887), (3, 6976629), (9, 2325543), (11, 1902717), (19, 1101573), (27, 775181), (33, 634239), (57, 367191), (99, 211413), (171, 122397), (209, 100143), (297, 70471), (513, 40799), (627, 33381), (1881, 11127), (3709, 5643)]