20187962217

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{47725679}}^1$

素因数の和:47725732

約数の個数: 12

約数和(自身を含む): 29780824320

約数和(自身を除く): 9592862103

約数列:

[1, 3, 9, 47, 141, 423, 47725679, 143177037, 429531111, 2243106913, 6729320739, 20187962217]

約数ペア:

[(1, 20187962217), (3, 6729320739), (9, 2243106913), (47, 429531111), (141, 143177037), (423, 47725679)]