20579548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12641}}^1$

素因数の和:12693

約数の個数: 24

約数和(自身を含む): 40353264

約数和(自身を除く): 19773716

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 12641, 25282, 50564, 139051, 278102, 467717, 556204, 935434, 1870868, 5144887, 10289774, 20579548]

約数ペア:

[(1, 20579548), (2, 10289774), (4, 5144887), (11, 1870868), (22, 935434), (37, 556204), (44, 467717), (74, 278102), (148, 139051), (407, 50564), (814, 25282), (1628, 12641)]