20882919

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{937}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 32417280

約数和(自身を除く): 11534361

約数列:

[1, 3, 17, 19, 23, 51, 57, 69, 323, 391, 437, 937, 969, 1173, 1311, 2811, 7429, 15929, 17803, 21551, 22287, 47787, 53409, 64653, 302651, 366367, 409469, 907953, 1099101, 1228407, 6960973, 20882919]

約数ペア:

[(1, 20882919), (3, 6960973), (17, 1228407), (19, 1099101), (23, 907953), (51, 409469), (57, 366367), (69, 302651), (323, 64653), (391, 53409), (437, 47787), (937, 22287), (969, 21551), (1173, 17803), (1311, 15929), (2811, 7429)]