20585380

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{5333}}^1$

素因数の和:5535

約数の個数: 24

約数和(自身を含む): 43461432

約数和(自身を除く): 22876052

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 5333, 10666, 21332, 26665, 53330, 106660, 1029269, 2058538, 4117076, 5146345, 10292690, 20585380]

約数ペア:

[(1, 20585380), (2, 10292690), (4, 5146345), (5, 4117076), (10, 2058538), (20, 1029269), (193, 106660), (386, 53330), (772, 26665), (965, 21332), (1930, 10666), (3860, 5333)]