20804036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{7057}}^1$

素因数の和:7139

約数の個数: 24

約数和(自身を含む): 40315296

約数和(自身を除く): 19511260

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 7057, 14114, 28228, 77627, 155254, 310508, 472819, 945638, 1891276, 5201009, 10402018, 20804036]

約数ペア:

[(1, 20804036), (2, 10402018), (4, 5201009), (11, 1891276), (22, 945638), (44, 472819), (67, 310508), (134, 155254), (268, 77627), (737, 28228), (1474, 14114), (2948, 7057)]