20009628

素因数分解:

$2^2\times 3^2\times {\mathrm{555823}}^1$

素因数の和:555833

約数の個数: 18

約数和(自身を含む): 50579984

約数和(自身を除く): 30570356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 555823, 1111646, 1667469, 2223292, 3334938, 5002407, 6669876, 10004814, 20009628]

約数ペア:

[(1, 20009628), (2, 10004814), (3, 6669876), (4, 5002407), (6, 3334938), (9, 2223292), (12, 1667469), (18, 1111646), (36, 555823)]