20782902

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{1117}}^1$

素因数の和:1572

約数の個数: 32

約数和(自身を含む): 47653632

約数和(自身を除く): 26870730

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 443, 886, 1117, 1329, 2234, 2658, 3101, 3351, 6202, 6702, 7819, 9303, 15638, 18606, 23457, 46914, 494831, 989662, 1484493, 2968986, 3463817, 6927634, 10391451, 20782902]

約数ペア:

[(1, 20782902), (2, 10391451), (3, 6927634), (6, 3463817), (7, 2968986), (14, 1484493), (21, 989662), (42, 494831), (443, 46914), (886, 23457), (1117, 18606), (1329, 15638), (2234, 9303), (2658, 7819), (3101, 6702), (3351, 6202)]