20993944

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{84653}}^1$

素因数の和:84690

約数の個数: 16

約数和(自身を含む): 40633920

約数和(自身を除く): 19639976

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 84653, 169306, 338612, 677224, 2624243, 5248486, 10496972, 20993944]

約数ペア:

[(1, 20993944), (2, 10496972), (4, 5248486), (8, 2624243), (31, 677224), (62, 338612), (124, 169306), (248, 84653)]