20196394785

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{64115539}}^1$

素因数の和:64115557

約数の個数: 24

約数和(自身を含む): 40008096960

約数和(自身を除く): 19811702175

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 64115539, 192346617, 320577695, 448808773, 577039851, 961733085, 1346426319, 2244043865, 2885199255, 4039278957, 6732131595, 20196394785]

約数ペア:

[(1, 20196394785), (3, 6732131595), (5, 4039278957), (7, 2885199255), (9, 2244043865), (15, 1346426319), (21, 961733085), (35, 577039851), (45, 448808773), (63, 320577695), (105, 192346617), (315, 64115539)]