20027156

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{947}}^1$

素因数の和:1279

約数の個数: 24

約数和(自身を含む): 37267776

約数和(自身を除く): 17240620

約数列:

[1, 2, 4, 17, 34, 68, 311, 622, 947, 1244, 1894, 3788, 5287, 10574, 16099, 21148, 32198, 64396, 294517, 589034, 1178068, 5006789, 10013578, 20027156]

約数ペア:

[(1, 20027156), (2, 10013578), (4, 5006789), (17, 1178068), (34, 589034), (68, 294517), (311, 64396), (622, 32198), (947, 21148), (1244, 16099), (1894, 10574), (3788, 5287)]