20950809

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{4999}}^1$

素因数の和:5140

約数の個数: 16

約数和(自身を含む): 30720000

約数和(自身を除く): 9769191

約数列:

[1, 3, 11, 33, 127, 381, 1397, 4191, 4999, 14997, 54989, 164967, 634873, 1904619, 6983603, 20950809]

約数ペア:

[(1, 20950809), (3, 6983603), (11, 1904619), (33, 634873), (127, 164967), (381, 54989), (1397, 14997), (4191, 4999)]