20503934

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{193}}^1\times {\mathrm{439}}^1$

素因数の和:656

約数の個数: 24

約数和(自身を含む): 34058640

約数和(自身を除く): 13554706

約数列:

[1, 2, 11, 22, 121, 193, 242, 386, 439, 878, 2123, 4246, 4829, 9658, 23353, 46706, 53119, 84727, 106238, 169454, 931997, 1863994, 10251967, 20503934]

約数ペア:

[(1, 20503934), (2, 10251967), (11, 1863994), (22, 931997), (121, 169454), (193, 106238), (242, 84727), (386, 53119), (439, 46706), (878, 23353), (2123, 9658), (4246, 4829)]