20285870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{184417}}^1$

素因数の和:184435

約数の個数: 16

約数和(自身を含む): 39834288

約数和(自身を除く): 19548418

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 184417, 368834, 922085, 1844170, 2028587, 4057174, 10142935, 20285870]

約数ペア:

[(1, 20285870), (2, 10142935), (5, 4057174), (10, 2028587), (11, 1844170), (22, 922085), (55, 368834), (110, 184417)]