20560837

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2557}}^1$

素因数の和:2628

約数の個数: 16

約数和(自身を含む): 24311232

約数和(自身を除く): 3750395

約数列:

[1, 11, 17, 43, 187, 473, 731, 2557, 8041, 28127, 43469, 109951, 478159, 1209461, 1869167, 20560837]

約数ペア:

[(1, 20560837), (11, 1869167), (17, 1209461), (43, 478159), (187, 109951), (473, 43469), (731, 28127), (2557, 8041)]