20196568

素因数分解:

$2^3\times 7^1\times {\mathrm{360653}}^1$

素因数の和:360666

約数の個数: 16

約数和(自身を含む): 43278480

約数和(自身を除く): 23081912

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 360653, 721306, 1442612, 2524571, 2885224, 5049142, 10098284, 20196568]

約数ペア:

[(1, 20196568), (2, 10098284), (4, 5049142), (7, 2885224), (8, 2524571), (14, 1442612), (28, 721306), (56, 360653)]