20198397

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1877}}^1$

素因数の和:2108

約数の個数: 16

約数和(自身を含む): 28665792

約数和(自身を除く): 8467395

約数列:

[1, 3, 17, 51, 211, 633, 1877, 3587, 5631, 10761, 31909, 95727, 396047, 1188141, 6732799, 20198397]

約数ペア:

[(1, 20198397), (3, 6732799), (17, 1188141), (51, 396047), (211, 95727), (633, 31909), (1877, 10761), (3587, 5631)]