20680497068

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67144471}}^1$

素因数の和:67144493

約数の個数: 24

約数和(自身を含む): 45121085184

約数和(自身を除く): 24440588116

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67144471, 134288942, 268577884, 470011297, 738589181, 940022594, 1477178362, 1880045188, 2954356724, 5170124267, 10340248534, 20680497068]

約数ペア:

[(1, 20680497068), (2, 10340248534), (4, 5170124267), (7, 2954356724), (11, 1880045188), (14, 1477178362), (22, 940022594), (28, 738589181), (44, 470011297), (77, 268577884), (154, 134288942), (308, 67144471)]