20909936

素因数分解:

$2^4\times {\mathrm{607}}^1\times {\mathrm{2153}}^1$

素因数の和:2768

約数の個数: 20

約数和(自身を含む): 40598592

約数和(自身を除く): 19688656

約数列:

[1, 2, 4, 8, 16, 607, 1214, 2153, 2428, 4306, 4856, 8612, 9712, 17224, 34448, 1306871, 2613742, 5227484, 10454968, 20909936]

約数ペア:

[(1, 20909936), (2, 10454968), (4, 5227484), (8, 2613742), (16, 1306871), (607, 34448), (1214, 17224), (2153, 9712), (2428, 8612), (4306, 4856)]