20853490568

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{1913}}^1\times {\mathrm{9803}}^1$

素因数の和:11861

約数の個数: 32

約数和(自身を含む): 39406197600

約数和(自身を除く): 18552707032

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 1913, 3826, 7652, 9803, 15304, 19606, 39212, 78424, 265907, 531814, 1063628, 1362617, 2127256, 2725234, 5450468, 10900936, 18753139, 37506278, 75012556, 150025112, 2606686321, 5213372642, 10426745284, 20853490568]

約数ペア:

[(1, 20853490568), (2, 10426745284), (4, 5213372642), (8, 2606686321), (139, 150025112), (278, 75012556), (556, 37506278), (1112, 18753139), (1913, 10900936), (3826, 5450468), (7652, 2725234), (9803, 2127256), (15304, 1362617), (19606, 1063628), (39212, 531814), (78424, 265907)]