20364665

素因数分解:

$5^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:512

約数の個数: 16

約数和(自身を含む): 24931200

約数和(自身を除く): 4566535

約数列:

[1, 5, 97, 199, 211, 485, 995, 1055, 19303, 20467, 41989, 96515, 102335, 209945, 4072933, 20364665]

約数ペア:

[(1, 20364665), (5, 4072933), (97, 209945), (199, 102335), (211, 96515), (485, 41989), (995, 20467), (1055, 19303)]