20579748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{244997}}^1$

素因数の和:245011

約数の個数: 24

約数和(自身を含む): 54879552

約数和(自身を除く): 34299804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 244997, 489994, 734991, 979988, 1469982, 1714979, 2939964, 3429958, 5144937, 6859916, 10289874, 20579748]

約数ペア:

[(1, 20579748), (2, 10289874), (3, 6859916), (4, 5144937), (6, 3429958), (7, 2939964), (12, 1714979), (14, 1469982), (21, 979988), (28, 734991), (42, 489994), (84, 244997)]