20965065

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11551}}^1$

素因数の和:11581

約数の個数: 24

約数和(自身を含む): 36873984

約数和(自身を除く): 15908919

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 11551, 34653, 57755, 127061, 173265, 381183, 635305, 1397671, 1905915, 4193013, 6988355, 20965065]

約数ペア:

[(1, 20965065), (3, 6988355), (5, 4193013), (11, 1905915), (15, 1397671), (33, 635305), (55, 381183), (121, 173265), (165, 127061), (363, 57755), (605, 34653), (1815, 11551)]