20284816

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{5051}}^1$

素因数の和:5310

約数の個数: 20

約数和(自身を含む): 39466224

約数和(自身を除く): 19181408

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 5051, 10102, 20204, 40408, 80816, 1267801, 2535602, 5071204, 10142408, 20284816]

約数ペア:

[(1, 20284816), (2, 10142408), (4, 5071204), (8, 2535602), (16, 1267801), (251, 80816), (502, 40408), (1004, 20204), (2008, 10102), (4016, 5051)]