20950029

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 32455040

約数和(自身を除く): 11505011

約数列:

[1, 3, 9, 27, 37, 67, 111, 201, 313, 333, 603, 939, 999, 1809, 2479, 2817, 7437, 8451, 11581, 20971, 22311, 34743, 62913, 66933, 104229, 188739, 312687, 566217, 775927, 2327781, 6983343, 20950029]

約数ペア:

[(1, 20950029), (3, 6983343), (9, 2327781), (27, 775927), (37, 566217), (67, 312687), (111, 188739), (201, 104229), (313, 66933), (333, 62913), (603, 34743), (939, 22311), (999, 20971), (1809, 11581), (2479, 8451), (2817, 7437)]