20517772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{1321}}^1$

素因数の和:1689

約数の個数: 24

約数和(自身を含む): 39310992

約数和(自身を除く): 18793220

約数列:

[1, 2, 4, 11, 22, 44, 353, 706, 1321, 1412, 2642, 3883, 5284, 7766, 14531, 15532, 29062, 58124, 466313, 932626, 1865252, 5129443, 10258886, 20517772]

約数ペア:

[(1, 20517772), (2, 10258886), (4, 5129443), (11, 1865252), (22, 932626), (44, 466313), (353, 58124), (706, 29062), (1321, 15532), (1412, 14531), (2642, 7766), (3883, 5284)]