20380492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{967}}^1$

素因数の和:1461

約数の個数: 24

約数和(自身を含む): 39029760

約数和(自身を除く): 18649268

約数列:

[1, 2, 4, 11, 22, 44, 479, 958, 967, 1916, 1934, 3868, 5269, 10538, 10637, 21076, 21274, 42548, 463193, 926386, 1852772, 5095123, 10190246, 20380492]

約数ペア:

[(1, 20380492), (2, 10190246), (4, 5095123), (11, 1852772), (22, 926386), (44, 463193), (479, 42548), (958, 21274), (967, 21076), (1916, 10637), (1934, 10538), (3868, 5269)]