20490459

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{7481}}^1$

素因数の和:7578

約数の個数: 16

約数和(自身を含む): 30167424

約数和(自身を除く): 9676965

約数列:

[1, 3, 11, 33, 83, 249, 913, 2739, 7481, 22443, 82291, 246873, 620923, 1862769, 6830153, 20490459]

約数ペア:

[(1, 20490459), (3, 6830153), (11, 1862769), (33, 620923), (83, 246873), (249, 82291), (913, 22443), (2739, 7481)]