20199442809

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{261451}}^1$

素因数の和:261757

約数の個数: 32

約数和(自身を含む): 33265060864

約数和(自身を除く): 13065618055

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 283, 849, 1981, 3679, 5943, 11037, 25753, 77259, 261451, 784353, 1830157, 3398863, 5490471, 10196589, 23792041, 71376123, 73990633, 221971899, 517934431, 961878229, 1553803293, 2885634687, 6733147603, 20199442809]

約数ペア:

[(1, 20199442809), (3, 6733147603), (7, 2885634687), (13, 1553803293), (21, 961878229), (39, 517934431), (91, 221971899), (273, 73990633), (283, 71376123), (849, 23792041), (1981, 10196589), (3679, 5490471), (5943, 3398863), (11037, 1830157), (25753, 784353), (77259, 261451)]