20933779321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{205211}}^1$

素因数の和:205309

約数の個数: 32

約数和(自身を含む): 27580492800

約数和(自身を除く): 6646713479

約数列:

[1, 7, 13, 19, 59, 91, 133, 247, 413, 767, 1121, 1729, 5369, 7847, 14573, 102011, 205211, 1436477, 2667743, 3899009, 12107449, 18674201, 27293063, 50687117, 84752143, 157396837, 230041531, 354809819, 1101777859, 1610290717, 2990539903, 20933779321]

約数ペア:

[(1, 20933779321), (7, 2990539903), (13, 1610290717), (19, 1101777859), (59, 354809819), (91, 230041531), (133, 157396837), (247, 84752143), (413, 50687117), (767, 27293063), (1121, 18674201), (1729, 12107449), (5369, 3899009), (7847, 2667743), (14573, 1436477), (102011, 205211)]