20840105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29147}}^1$

素因数の和:29176

約数の個数: 16

約数和(自身を含む): 29381184

約数和(自身を除く): 8541079

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 29147, 145735, 320617, 378911, 1603085, 1894555, 4168021, 20840105]

約数ペア:

[(1, 20840105), (5, 4168021), (11, 1894555), (13, 1603085), (55, 378911), (65, 320617), (143, 145735), (715, 29147)]