20779935

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^2$

素因数の和:244

約数の個数: 36

約数和(自身を含む): 36889944

約数和(自身を除く): 16110009

約数列:

[1, 3, 5, 11, 15, 33, 55, 107, 121, 165, 321, 363, 535, 605, 1177, 1605, 1815, 3531, 5885, 11449, 12947, 17655, 34347, 38841, 57245, 64735, 125939, 171735, 194205, 377817, 629695, 1385329, 1889085, 4155987, 6926645, 20779935]

約数ペア:

[(1, 20779935), (3, 6926645), (5, 4155987), (11, 1889085), (15, 1385329), (33, 629695), (55, 377817), (107, 194205), (121, 171735), (165, 125939), (321, 64735), (363, 57245), (535, 38841), (605, 34347), (1177, 17655), (1605, 12947), (1815, 11449), (3531, 5885)]