20218014971

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{673}}^1\times {\mathrm{390151}}^1$

素因数の和:390842

約数の個数: 16

約数和(自身を含む): 25244395008

約数和(自身を除く): 5026380037

約数列:

[1, 7, 11, 77, 673, 4711, 7403, 51821, 390151, 2731057, 4291661, 30041627, 262571623, 1838001361, 2888287853, 20218014971]

約数ペア:

[(1, 20218014971), (7, 2888287853), (11, 1838001361), (77, 262571623), (673, 30041627), (4711, 4291661), (7403, 2731057), (51821, 390151)]