20653717

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1163}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 24583680

約数和(自身を除く): 3929963

約数列:

[1, 7, 43, 59, 301, 413, 1163, 2537, 8141, 17759, 50009, 68617, 350063, 480319, 2950531, 20653717]

約数ペア:

[(1, 20653717), (7, 2950531), (43, 480319), (59, 350063), (301, 68617), (413, 50009), (1163, 17759), (2537, 8141)]