20512690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{186479}}^1$

素因数の和:186497

約数の個数: 16

約数和(自身を含む): 40279680

約数和(自身を除く): 19766990

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 186479, 372958, 932395, 1864790, 2051269, 4102538, 10256345, 20512690]

約数ペア:

[(1, 20512690), (2, 10256345), (5, 4102538), (10, 2051269), (11, 1864790), (22, 932395), (55, 372958), (110, 186479)]