20147006981

素因数分解:

${\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{189421}}^1$

素因数の和:189572

約数の個数: 16

約数和(自身を含む): 21530462208

約数和(自身を除く): 1383455227

約数列:

[1, 31, 47, 73, 1457, 2263, 3431, 106361, 189421, 5872051, 8902787, 13827733, 275986397, 428659723, 649903451, 20147006981]

約数ペア:

[(1, 20147006981), (31, 649903451), (47, 428659723), (73, 275986397), (1457, 13827733), (2263, 8902787), (3431, 5872051), (106361, 189421)]