20218792531

素因数分解:

$7^3\times {\mathrm{797}}^1\times {\mathrm{73961}}^1$

素因数の和:74779

約数の個数: 16

約数和(自身を含む): 23608670400

約数和(自身を除く): 3389877869

約数列:

[1, 7, 49, 343, 797, 5579, 39053, 73961, 273371, 517727, 3624089, 25368623, 58946917, 412628419, 2888398933, 20218792531]

約数ペア:

[(1, 20218792531), (7, 2888398933), (49, 412628419), (343, 58946917), (797, 25368623), (5579, 3624089), (39053, 517727), (73961, 273371)]