20563345

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{829}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 27818280

約数和(自身を除く): 7254935

約数列:

[1, 5, 11, 41, 55, 121, 205, 451, 605, 829, 2255, 4145, 4961, 9119, 24805, 33989, 45595, 100309, 169945, 373879, 501545, 1869395, 4112669, 20563345]

約数ペア:

[(1, 20563345), (5, 4112669), (11, 1869395), (41, 501545), (55, 373879), (121, 169945), (205, 100309), (451, 45595), (605, 33989), (829, 24805), (2255, 9119), (4145, 4961)]