20385442

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6967}}^1$

素因数の和:7006

約数の個数: 32

約数和(自身を含む): 40135680

約数和(自身を除く): 19750238

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1463, 2926, 6967, 13934, 48769, 76637, 97538, 132373, 153274, 264746, 536459, 926611, 1072918, 1456103, 1853222, 2912206, 10192721, 20385442]

約数ペア:

[(1, 20385442), (2, 10192721), (7, 2912206), (11, 1853222), (14, 1456103), (19, 1072918), (22, 926611), (38, 536459), (77, 264746), (133, 153274), (154, 132373), (209, 97538), (266, 76637), (418, 48769), (1463, 13934), (2926, 6967)]