20887945850

素因数分解:

$2^1\times 5^2\times {\mathrm{739}}^1\times {\mathrm{565303}}^1$

素因数の和:566054

約数の個数: 24

約数和(自身を含む): 38904221280

約数和(自身を除く): 18016275430

約数列:

[1, 2, 5, 10, 25, 50, 739, 1478, 3695, 7390, 18475, 36950, 565303, 1130606, 2826515, 5653030, 14132575, 28265150, 417758917, 835517834, 2088794585, 4177589170, 10443972925, 20887945850]

約数ペア:

[(1, 20887945850), (2, 10443972925), (5, 4177589170), (10, 2088794585), (25, 835517834), (50, 417758917), (739, 28265150), (1478, 14132575), (3695, 5653030), (7390, 2826515), (18475, 1130606), (36950, 565303)]