20033919

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{4289}}^1$

素因数の和:4471

約数の個数: 16

約数和(自身を含む): 29858400

約数和(自身を除く): 9824481

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4289, 4671, 12867, 38601, 115803, 741997, 2225991, 6677973, 20033919]

約数ペア:

[(1, 20033919), (3, 6677973), (9, 2225991), (27, 741997), (173, 115803), (519, 38601), (1557, 12867), (4289, 4671)]