20172395

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^2\times {\mathrm{61}}^1$

素因数の和:203

約数の個数: 24

約数和(自身を含む): 26345040

約数和(自身を除く): 6172645

約数列:

[1, 5, 19, 59, 61, 95, 295, 305, 1121, 1159, 3481, 3599, 5605, 5795, 17405, 17995, 66139, 68381, 212341, 330695, 341905, 1061705, 4034479, 20172395]

約数ペア:

[(1, 20172395), (5, 4034479), (19, 1061705), (59, 341905), (61, 330695), (95, 212341), (295, 68381), (305, 66139), (1121, 17995), (1159, 17405), (3481, 5795), (3599, 5605)]