20828366

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47123}}^1$

素因数の和:47155

約数の個数: 16

約数和(自身を含む): 35625744

約数和(自身を除く): 14797378

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 47123, 94246, 612599, 801091, 1225198, 1602182, 10414183, 20828366]

約数ペア:

[(1, 20828366), (2, 10414183), (13, 1602182), (17, 1225198), (26, 801091), (34, 612599), (221, 94246), (442, 47123)]