20795061

素因数分解:

$3^1\times 7^4\times {\mathrm{2887}}^1$

素因数の和:2918

約数の個数: 20

約数和(自身を含む): 32357152

約数和(自身を除く): 11562091

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 2887, 7203, 8661, 20209, 60627, 141463, 424389, 990241, 2970723, 6931687, 20795061]

約数ペア:

[(1, 20795061), (3, 6931687), (7, 2970723), (21, 990241), (49, 424389), (147, 141463), (343, 60627), (1029, 20209), (2401, 8661), (2887, 7203)]