20771266558

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{64507039}}^1$

素因数の和:64507071

約数の個数: 16

約数和(自身を含む): 37156055040

約数和(自身を除く): 16384788482

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 64507039, 129014078, 451549273, 903098546, 1483661897, 2967323794, 10385633279, 20771266558]

約数ペア:

[(1, 20771266558), (2, 10385633279), (7, 2967323794), (14, 1483661897), (23, 903098546), (46, 451549273), (161, 129014078), (322, 64507039)]