20548787

素因数分解:

$7^3\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:591

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 3643213

約数列:

[1, 7, 49, 139, 343, 431, 973, 3017, 6811, 21119, 47677, 59909, 147833, 419363, 2935541, 20548787]

約数ペア:

[(1, 20548787), (7, 2935541), (49, 419363), (139, 147833), (343, 59909), (431, 47677), (973, 21119), (3017, 6811)]