20167904192

素因数分解:

$2^6\times {\mathrm{2161}}^1\times {\mathrm{145823}}^1$

素因数の和:147996

約数の個数: 28

約数和(自身を含む): 40039478976

約数和(自身を除く): 19871574784

約数列:

[1, 2, 4, 8, 16, 32, 64, 2161, 4322, 8644, 17288, 34576, 69152, 138304, 145823, 291646, 583292, 1166584, 2333168, 4666336, 9332672, 315123503, 630247006, 1260494012, 2520988024, 5041976048, 10083952096, 20167904192]

約数ペア:

[(1, 20167904192), (2, 10083952096), (4, 5041976048), (8, 2520988024), (16, 1260494012), (32, 630247006), (64, 315123503), (2161, 9332672), (4322, 4666336), (8644, 2333168), (17288, 1166584), (34576, 583292), (69152, 291646), (138304, 145823)]