20138338048

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{2537593}}^1$

素因数の和:2537640

約数の個数: 36

約数和(自身を含む): 41494737088

約数和(自身を除く): 21356399040

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 2537593, 5075186, 10150372, 20300744, 40601488, 78665383, 81202976, 157330766, 162405952, 314661532, 324811904, 629323064, 649623808, 1258646128, 2517292256, 5034584512, 10069169024, 20138338048]

約数ペア:

[(1, 20138338048), (2, 10069169024), (4, 5034584512), (8, 2517292256), (16, 1258646128), (31, 649623808), (32, 629323064), (62, 324811904), (64, 314661532), (124, 162405952), (128, 157330766), (248, 81202976), (256, 78665383), (496, 40601488), (992, 20300744), (1984, 10150372), (3968, 5075186), (7936, 2537593)]