20543894

素因数分解:

$2^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{4157}}^1$

素因数の和:4519

約数の個数: 16

約数和(自身を含む): 35326368

約数和(自身を除く): 14782474

約数列:

[1, 2, 7, 14, 353, 706, 2471, 4157, 4942, 8314, 29099, 58198, 1467421, 2934842, 10271947, 20543894]

約数ペア:

[(1, 20543894), (2, 10271947), (7, 2934842), (14, 1467421), (353, 58198), (706, 29099), (2471, 8314), (4157, 4942)]