20085616

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17681}}^1$

素因数の和:17760

約数の個数: 20

約数和(自身を含む): 39466224

約数和(自身を除く): 19380608

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17681, 35362, 70724, 141448, 282896, 1255351, 2510702, 5021404, 10042808, 20085616]

約数ペア:

[(1, 20085616), (2, 10042808), (4, 5021404), (8, 2510702), (16, 1255351), (71, 282896), (142, 141448), (284, 70724), (568, 35362), (1136, 17681)]