20368089

素因数分解:

$3^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1193}}^1$

素因数の和:1477

約数の個数: 24

約数和(自身を含む): 33775872

約数和(自身を除く): 13407783

約数列:

[1, 3, 7, 9, 21, 63, 271, 813, 1193, 1897, 2439, 3579, 5691, 8351, 10737, 17073, 25053, 75159, 323303, 969909, 2263121, 2909727, 6789363, 20368089]

約数ペア:

[(1, 20368089), (3, 6789363), (7, 2909727), (9, 2263121), (21, 969909), (63, 323303), (271, 75159), (813, 25053), (1193, 17073), (1897, 10737), (2439, 8351), (3579, 5691)]