20123013544

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1033}}^1\times {\mathrm{128159}}^1$

素因数の和:129217

約数の個数: 32

約数和(自身を含む): 39755232000

約数和(自身を除く): 19632218456

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1033, 2066, 4132, 8264, 19627, 39254, 78508, 128159, 157016, 256318, 512636, 1025272, 2435021, 4870042, 9740084, 19480168, 132388247, 264776494, 529552988, 1059105976, 2515376693, 5030753386, 10061506772, 20123013544]

約数ペア:

[(1, 20123013544), (2, 10061506772), (4, 5030753386), (8, 2515376693), (19, 1059105976), (38, 529552988), (76, 264776494), (152, 132388247), (1033, 19480168), (2066, 9740084), (4132, 4870042), (8264, 2435021), (19627, 1025272), (39254, 512636), (78508, 256318), (128159, 157016)]