20218887891

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{188801}}^1$

素因数の和:189043

約数の個数: 24

約数和(自身を含む): 29786913936

約数和(自身を除く): 9568026045

約数列:

[1, 3, 9, 73, 163, 219, 489, 657, 1467, 11899, 35697, 107091, 188801, 566403, 1699209, 13782473, 30774563, 41347419, 92323689, 124042257, 276971067, 2246543099, 6739629297, 20218887891]

約数ペア:

[(1, 20218887891), (3, 6739629297), (9, 2246543099), (73, 276971067), (163, 124042257), (219, 92323689), (489, 41347419), (657, 30774563), (1467, 13782473), (11899, 1699209), (35697, 566403), (107091, 188801)]