20127156728

素因数分解:

$2^3\times 7^1\times {\mathrm{9161}}^1\times {\mathrm{39233}}^1$

素因数の和:48407

約数の個数: 32

約数和(自身を含む): 43135428960

約数和(自身を除く): 23008272232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 9161, 18322, 36644, 39233, 64127, 73288, 78466, 128254, 156932, 256508, 274631, 313864, 513016, 549262, 1098524, 2197048, 359413513, 718827026, 1437654052, 2515894591, 2875308104, 5031789182, 10063578364, 20127156728]

約数ペア:

[(1, 20127156728), (2, 10063578364), (4, 5031789182), (7, 2875308104), (8, 2515894591), (14, 1437654052), (28, 718827026), (56, 359413513), (9161, 2197048), (18322, 1098524), (36644, 549262), (39233, 513016), (64127, 313864), (73288, 274631), (78466, 256508), (128254, 156932)]