20199797572

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{1061}}^1\times {\mathrm{71039}}^1$

素因数の和:72171

約数の個数: 24

約数和(自身を含む): 35911572480

約数和(自身を除く): 15711774908

約数列:

[1, 2, 4, 67, 134, 268, 1061, 2122, 4244, 71039, 71087, 142078, 142174, 284156, 284348, 4759613, 9519226, 19038452, 75372379, 150744758, 301489516, 5049949393, 10099898786, 20199797572]

約数ペア:

[(1, 20199797572), (2, 10099898786), (4, 5049949393), (67, 301489516), (134, 150744758), (268, 75372379), (1061, 19038452), (2122, 9519226), (4244, 4759613), (71039, 284348), (71087, 284156), (142078, 142174)]