20673939

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{337}}^1$

素因数の和:388

約数の個数: 36

約数和(自身を含む): 32906328

約数和(自身を除く): 12232389

約数列:

[1, 3, 11, 13, 33, 39, 121, 143, 169, 337, 363, 429, 507, 1011, 1573, 1859, 3707, 4381, 4719, 5577, 11121, 13143, 20449, 40777, 48191, 56953, 61347, 122331, 144573, 170859, 530101, 626483, 1590303, 1879449, 6891313, 20673939]

約数ペア:

[(1, 20673939), (3, 6891313), (11, 1879449), (13, 1590303), (33, 626483), (39, 530101), (121, 170859), (143, 144573), (169, 122331), (337, 61347), (363, 56953), (429, 48191), (507, 40777), (1011, 20449), (1573, 13143), (1859, 11121), (3707, 5577), (4381, 4719)]