20161800005

素因数分解:

$5^1\times {\mathrm{193}}^1\times {\mathrm{3847}}^1\times {\mathrm{5431}}^1$

素因数の和:9476

約数の個数: 16

約数和(自身を含む): 24330319104

約数和(自身を除く): 4168519099

約数列:

[1, 5, 193, 965, 3847, 5431, 19235, 27155, 742471, 1048183, 3712355, 5240915, 20893057, 104465285, 4032360001, 20161800005]

約数ペア:

[(1, 20161800005), (5, 4032360001), (193, 104465285), (965, 20893057), (3847, 5240915), (5431, 3712355), (19235, 1048183), (27155, 742471)]