20887884

素因数分解:

$2^2\times 3^2\times {\mathrm{580219}}^1$

素因数の和:580229

約数の個数: 18

約数和(自身を含む): 52800020

約数和(自身を除く): 31912136

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 580219, 1160438, 1740657, 2320876, 3481314, 5221971, 6962628, 10443942, 20887884]

約数ペア:

[(1, 20887884), (2, 10443942), (3, 6962628), (4, 5221971), (6, 3481314), (9, 2320876), (12, 1740657), (18, 1160438), (36, 580219)]