20615265

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41647}}^1$

素因数の和:41669

約数の個数: 24

約数和(自身を含む): 38982528

約数和(自身を除く): 18367263

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 41647, 124941, 208235, 374823, 458117, 624705, 1374351, 1874115, 2290585, 4123053, 6871755, 20615265]

約数ペア:

[(1, 20615265), (3, 6871755), (5, 4123053), (9, 2290585), (11, 1874115), (15, 1374351), (33, 624705), (45, 458117), (55, 374823), (99, 208235), (165, 124941), (495, 41647)]