20911672

素因数分解:

$2^3\times {\mathrm{653}}^1\times {\mathrm{4003}}^1$

素因数の和:4662

約数の個数: 16

約数和(自身を含む): 39279240

約数和(自身を除く): 18367568

約数列:

[1, 2, 4, 8, 653, 1306, 2612, 4003, 5224, 8006, 16012, 32024, 2613959, 5227918, 10455836, 20911672]

約数ペア:

[(1, 20911672), (2, 10455836), (4, 5227918), (8, 2613959), (653, 32024), (1306, 16012), (2612, 8006), (4003, 5224)]