20511152

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{31267}}^1$

素因数の和:31316

約数の個数: 20

約数和(自身を含む): 40710936

約数和(自身を除く): 20199784

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 31267, 62534, 125068, 250136, 500272, 1281947, 2563894, 5127788, 10255576, 20511152]

約数ペア:

[(1, 20511152), (2, 10255576), (4, 5127788), (8, 2563894), (16, 1281947), (41, 500272), (82, 250136), (164, 125068), (328, 62534), (656, 31267)]