20388942

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{53939}}^1$

素因数の和:53957

約数の個数: 32

約数和(自身を含む): 51782400

約数和(自身を除く): 31393458

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 53939, 107878, 161817, 323634, 377573, 485451, 755146, 970902, 1132719, 1456353, 2265438, 2912706, 3398157, 6796314, 10194471, 20388942]

約数ペア:

[(1, 20388942), (2, 10194471), (3, 6796314), (6, 3398157), (7, 2912706), (9, 2265438), (14, 1456353), (18, 1132719), (21, 970902), (27, 755146), (42, 485451), (54, 377573), (63, 323634), (126, 161817), (189, 107878), (378, 53939)]