20320254003

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56919479}}^1$

素因数の和:56919506

約数の個数: 16

約数和(自身を含む): 32785620480

約数和(自身を除く): 12465366477

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56919479, 170758437, 398436353, 967631143, 1195309059, 2902893429, 6773418001, 20320254003]

約数ペア:

[(1, 20320254003), (3, 6773418001), (7, 2902893429), (17, 1195309059), (21, 967631143), (51, 398436353), (119, 170758437), (357, 56919479)]