20971852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{476633}}^1$

素因数の和:476648

約数の個数: 12

約数和(自身を含む): 40037256

約数和(自身を除く): 19065404

約数列:

[1, 2, 4, 11, 22, 44, 476633, 953266, 1906532, 5242963, 10485926, 20971852]

約数ペア:

[(1, 20971852), (2, 10485926), (4, 5242963), (11, 1906532), (22, 953266), (44, 476633)]