20506959

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{6277}}^1$

素因数の和:6308

約数の個数: 24

約数和(自身を含む): 33398960

約数和(自身を除く): 12892001

約数列:

[1, 3, 9, 11, 27, 33, 99, 121, 297, 363, 1089, 3267, 6277, 18831, 56493, 69047, 169479, 207141, 621423, 759517, 1864269, 2278551, 6835653, 20506959]

約数ペア:

[(1, 20506959), (3, 6835653), (9, 2278551), (11, 1864269), (27, 759517), (33, 621423), (99, 207141), (121, 169479), (297, 69047), (363, 56493), (1089, 18831), (3267, 6277)]