20565180081

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2558813}}^1$

素因数の和:2558885

約数の個数: 24

約数和(自身を含む): 31933998720

約数和(自身を除く): 11368818639

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 2679, 8037, 2558813, 7676439, 23029317, 48617447, 120264211, 145852341, 360792633, 437557023, 1082377899, 2285020009, 6855060027, 20565180081]

約数ペア:

[(1, 20565180081), (3, 6855060027), (9, 2285020009), (19, 1082377899), (47, 437557023), (57, 360792633), (141, 145852341), (171, 120264211), (423, 48617447), (893, 23029317), (2679, 7676439), (8037, 2558813)]