20850561

素因数分解:

$3^3\times {\mathrm{643}}^1\times {\mathrm{1201}}^1$

素因数の和:1853

約数の個数: 16

約数和(自身を含む): 30963520

約数和(自身を除く): 10112959

約数列:

[1, 3, 9, 27, 643, 1201, 1929, 3603, 5787, 10809, 17361, 32427, 772243, 2316729, 6950187, 20850561]

約数ペア:

[(1, 20850561), (3, 6950187), (9, 2316729), (27, 772243), (643, 32427), (1201, 17361), (1929, 10809), (3603, 5787)]