20138136489

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{1814737}}^1$

素因数の和:1814886

約数の個数: 20

約数和(自身を含む): 30302495124

約数和(自身を除く): 10164358635

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 3699, 11097, 1814737, 5444211, 16332633, 48997899, 146993697, 248618969, 745856907, 2237570721, 6712712163, 20138136489]

約数ペア:

[(1, 20138136489), (3, 6712712163), (9, 2237570721), (27, 745856907), (81, 248618969), (137, 146993697), (411, 48997899), (1233, 16332633), (3699, 5444211), (11097, 1814737)]