20683341

素因数分解:

$3^2\times 7^2\times {\mathrm{46901}}^1$

素因数の和:46921

約数の個数: 18

約数和(自身を含む): 34754382

約数和(自身を除く): 14071041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 46901, 140703, 328307, 422109, 984921, 2298149, 2954763, 6894447, 20683341]

約数ペア:

[(1, 20683341), (3, 6894447), (7, 2954763), (9, 2298149), (21, 984921), (49, 422109), (63, 328307), (147, 140703), (441, 46901)]