20756670781

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{60727}}^1$

素因数の和:60961

約数の個数: 32

約数和(自身を含む): 27143958528

約数和(自身を除く): 6387287747

約数列:

[1, 7, 11, 23, 77, 161, 193, 253, 1351, 1771, 2123, 4439, 14861, 31073, 48829, 60727, 341803, 425089, 667997, 1396721, 4675979, 9777047, 11720311, 15363931, 82042177, 107547517, 128923421, 269567153, 902463947, 1886970071, 2965238683, 20756670781]

約数ペア:

[(1, 20756670781), (7, 2965238683), (11, 1886970071), (23, 902463947), (77, 269567153), (161, 128923421), (193, 107547517), (253, 82042177), (1351, 15363931), (1771, 11720311), (2123, 9777047), (4439, 4675979), (14861, 1396721), (31073, 667997), (48829, 425089), (60727, 341803)]