20148180561

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{31530799}}^1$

素因数の和:31530876

約数の個数: 12

約数和(自身を含む): 29512828800

約数和(自身を除く): 9364648239

約数列:

[1, 3, 9, 71, 213, 639, 31530799, 94592397, 283777191, 2238686729, 6716060187, 20148180561]

約数ペア:

[(1, 20148180561), (3, 6716060187), (9, 2238686729), (71, 283777191), (213, 94592397), (639, 31530799)]