20762391

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{241}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 30586864

約数和(自身を除く): 9824473

約数列:

[1, 3, 13, 39, 47, 141, 241, 611, 723, 1833, 2209, 3133, 6627, 9399, 11327, 28717, 33981, 86151, 147251, 441753, 532369, 1597107, 6920797, 20762391]

約数ペア:

[(1, 20762391), (3, 6920797), (13, 1597107), (39, 532369), (47, 441753), (141, 147251), (241, 86151), (611, 33981), (723, 28717), (1833, 11327), (2209, 9399), (3133, 6627)]