20682795

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11587}}^1$

素因数の和:11619

約数の個数: 32

約数和(自身を含む): 40048128

約数和(自身を除く): 19365333

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 11587, 34761, 57935, 81109, 173805, 196979, 243327, 405545, 590937, 984895, 1216635, 1378853, 2954685, 4136559, 6894265, 20682795]

約数ペア:

[(1, 20682795), (3, 6894265), (5, 4136559), (7, 2954685), (15, 1378853), (17, 1216635), (21, 984895), (35, 590937), (51, 405545), (85, 243327), (105, 196979), (119, 173805), (255, 81109), (357, 57935), (595, 34761), (1785, 11587)]