20294776

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{9871}}^1$

素因数の和:10134

約数の個数: 16

約数和(自身を含む): 38204640

約数和(自身を除く): 17909864

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 9871, 19742, 39484, 78968, 2536847, 5073694, 10147388, 20294776]

約数ペア:

[(1, 20294776), (2, 10147388), (4, 5073694), (8, 2536847), (257, 78968), (514, 39484), (1028, 19742), (2056, 9871)]