20089901

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{433}}^1$

素因数の和:572

約数の個数: 16

約数和(自身を含む): 22456896

約数和(自身を除く): 2366995

約数列:

[1, 13, 43, 83, 433, 559, 1079, 3569, 5629, 18619, 35939, 46397, 242047, 467207, 1545377, 20089901]

約数ペア:

[(1, 20089901), (13, 1545377), (43, 467207), (83, 242047), (433, 46397), (559, 35939), (1079, 18619), (3569, 5629)]