20809330353

素因数分解:

$3^4\times 7^1\times {\mathrm{36700759}}^1$

素因数の和:36700778

約数の個数: 20

約数和(自身を含む): 35526335680

約数和(自身を除く): 14717005327

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 36700759, 110102277, 256905313, 330306831, 770715939, 990920493, 2312147817, 2972761479, 6936443451, 20809330353]

約数ペア:

[(1, 20809330353), (3, 6936443451), (7, 2972761479), (9, 2312147817), (21, 990920493), (27, 770715939), (63, 330306831), (81, 256905313), (189, 110102277), (567, 36700759)]