20440585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2837}}^1$

素因数の和:2984

約数の個数: 16

約数和(自身を含む): 26972352

約数和(自身を除く): 6531767

約数列:

[1, 5, 11, 55, 131, 655, 1441, 2837, 7205, 14185, 31207, 156035, 371647, 1858235, 4088117, 20440585]

約数ペア:

[(1, 20440585), (5, 4088117), (11, 1858235), (55, 371647), (131, 156035), (655, 31207), (1441, 14185), (2837, 7205)]