20195478

素因数分解:

$2^1\times 3^2\times {\mathrm{769}}^1\times {\mathrm{1459}}^1$

素因数の和:2236

約数の個数: 24

約数和(自身を含む): 43843800

約数和(自身を除く): 23648322

約数列:

[1, 2, 3, 6, 9, 18, 769, 1459, 1538, 2307, 2918, 4377, 4614, 6921, 8754, 13131, 13842, 26262, 1121971, 2243942, 3365913, 6731826, 10097739, 20195478]

約数ペア:

[(1, 20195478), (2, 10097739), (3, 6731826), (6, 3365913), (9, 2243942), (18, 1121971), (769, 26262), (1459, 13842), (1538, 13131), (2307, 8754), (2918, 6921), (4377, 4614)]