20769712

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{5051}}^1$

素因数の和:5316

約数の個数: 20

約数和(自身を含む): 40405896

約数和(自身を除く): 19636184

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 5051, 10102, 20204, 40408, 80816, 1298107, 2596214, 5192428, 10384856, 20769712]

約数ペア:

[(1, 20769712), (2, 10384856), (4, 5192428), (8, 2596214), (16, 1298107), (257, 80816), (514, 40408), (1028, 20204), (2056, 10102), (4112, 5051)]