20406716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{2591}}^1$

素因数の和:2785

約数の個数: 24

約数和(自身を含む): 39191040

約数和(自身を除く): 18784324

約数列:

[1, 2, 4, 11, 22, 44, 179, 358, 716, 1969, 2591, 3938, 5182, 7876, 10364, 28501, 57002, 114004, 463789, 927578, 1855156, 5101679, 10203358, 20406716]

約数ペア:

[(1, 20406716), (2, 10203358), (4, 5101679), (11, 1855156), (22, 927578), (44, 463789), (179, 114004), (358, 57002), (716, 28501), (1969, 10364), (2591, 7876), (3938, 5182)]