20009661921

素因数分解:

$3^2\times {\mathrm{3407}}^1\times {\mathrm{652567}}^1$

素因数の和:655980

約数の個数: 12

約数和(自身を含む): 28911372672

約数和(自身を除く): 8901710751

約数列:

[1, 3, 9, 3407, 10221, 30663, 652567, 1957701, 5873103, 2223295769, 6669887307, 20009661921]

約数ペア:

[(1, 20009661921), (3, 6669887307), (9, 2223295769), (3407, 5873103), (10221, 1957701), (30663, 652567)]