20805216472

素因数分解:

$2^3\times {\mathrm{227}}^1\times {\mathrm{1019}}^1\times {\mathrm{11243}}^1$

素因数の和:12495

約数の個数: 32

約数和(自身を含む): 39223569600

約数和(自身を除く): 18418353128

約数列:

[1, 2, 4, 8, 227, 454, 908, 1019, 1816, 2038, 4076, 8152, 11243, 22486, 44972, 89944, 231313, 462626, 925252, 1850504, 2552161, 5104322, 10208644, 11456617, 20417288, 22913234, 45826468, 91652936, 2600652059, 5201304118, 10402608236, 20805216472]

約数ペア:

[(1, 20805216472), (2, 10402608236), (4, 5201304118), (8, 2600652059), (227, 91652936), (454, 45826468), (908, 22913234), (1019, 20417288), (1816, 11456617), (2038, 10208644), (4076, 5104322), (8152, 2552161), (11243, 1850504), (22486, 925252), (44972, 462626), (89944, 231313)]