20884108

素因数分解:

$2^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1699}}^1$

素因数の和:2149

約数の個数: 24

約数和(自身を含む): 41888000

約数和(自身を除く): 21003892

約数列:

[1, 2, 4, 7, 14, 28, 439, 878, 1699, 1756, 3073, 3398, 6146, 6796, 11893, 12292, 23786, 47572, 745861, 1491722, 2983444, 5221027, 10442054, 20884108]

約数ペア:

[(1, 20884108), (2, 10442054), (4, 5221027), (7, 2983444), (14, 1491722), (28, 745861), (439, 47572), (878, 23786), (1699, 12292), (1756, 11893), (3073, 6796), (3398, 6146)]