20385295

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{34261}}^1$

素因数の和:34290

約数の個数: 16

約数和(自身を含む): 29602368

約数和(自身を除く): 9217073

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 34261, 171305, 239827, 582437, 1199135, 2912185, 4077059, 20385295]

約数ペア:

[(1, 20385295), (5, 4077059), (7, 2912185), (17, 1199135), (35, 582437), (85, 239827), (119, 171305), (595, 34261)]