20418242

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{193}}^1\times {\mathrm{313}}^1$

素因数の和:534

約数の個数: 24

約数和(自身を含む): 33442884

約数和(自身を除く): 13024642

約数列:

[1, 2, 13, 26, 169, 193, 313, 338, 386, 626, 2509, 4069, 5018, 8138, 32617, 52897, 60409, 65234, 105794, 120818, 785317, 1570634, 10209121, 20418242]

約数ペア:

[(1, 20418242), (2, 10209121), (13, 1570634), (26, 785317), (169, 120818), (193, 105794), (313, 65234), (338, 60409), (386, 52897), (626, 32617), (2509, 8138), (4069, 5018)]