20548657311

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{389999}}^1$

素因数の和:390215

約数の個数: 32

約数和(自身を含む): 33895680000

約数和(自身を除く): 13347022689

約数列:

[1, 3, 7, 13, 21, 39, 91, 193, 273, 579, 1351, 2509, 4053, 7527, 17563, 52689, 389999, 1169997, 2729993, 5069987, 8189979, 15209961, 35489909, 75269807, 106469727, 225809421, 526888649, 978507491, 1580665947, 2935522473, 6849552437, 20548657311]

約数ペア:

[(1, 20548657311), (3, 6849552437), (7, 2935522473), (13, 1580665947), (21, 978507491), (39, 526888649), (91, 225809421), (193, 106469727), (273, 75269807), (579, 35489909), (1351, 15209961), (2509, 8189979), (4053, 5069987), (7527, 2729993), (17563, 1169997), (52689, 389999)]