20684541

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{797}}^1$

素因数の和:1052

約数の個数: 16

約数和(自身を含む): 28421568

約数和(自身を除く): 7737027

約数列:

[1, 3, 41, 123, 211, 633, 797, 2391, 8651, 25953, 32677, 98031, 168167, 504501, 6894847, 20684541]

約数ペア:

[(1, 20684541), (3, 6894847), (41, 504501), (123, 168167), (211, 98031), (633, 32677), (797, 25953), (2391, 8651)]