20161488081

素因数分解:

$3^1\times 7^1\times {\mathrm{2347}}^1\times {\mathrm{409063}}^1$

素因数の和:411420

約数の個数: 16

約数和(自身を含む): 30735432704

約数和(自身を除く): 10573944623

約数列:

[1, 3, 7, 21, 2347, 7041, 16429, 49287, 409063, 1227189, 2863441, 8590323, 960070861, 2880212583, 6720496027, 20161488081]

約数ペア:

[(1, 20161488081), (3, 6720496027), (7, 2880212583), (21, 960070861), (2347, 8590323), (7041, 2863441), (16429, 1227189), (49287, 409063)]