20659903

素因数分解:

${\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{1511}}^1$

素因数の和:1646

約数の個数: 12

約数和(自身を含む): 22924944

約数和(自身を除く): 2265041

約数列:

[1, 11, 113, 121, 1243, 1511, 13673, 16621, 170743, 182831, 1878173, 20659903]

約数ペア:

[(1, 20659903), (11, 1878173), (113, 182831), (121, 170743), (1243, 16621), (1511, 13673)]