20560485

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{353}}^2$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 35989344

約数和(自身を除く): 15428859

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 353, 1059, 1765, 3883, 5295, 11649, 19415, 58245, 124609, 373827, 623045, 1370699, 1869135, 4112097, 6853495, 20560485]

約数ペア:

[(1, 20560485), (3, 6853495), (5, 4112097), (11, 1869135), (15, 1370699), (33, 623045), (55, 373827), (165, 124609), (353, 58245), (1059, 19415), (1765, 11649), (3883, 5295)]