20050745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{967}}^1$

素因数の和:1025

約数の個数: 32

約数和(自身を含む): 29272320

約数和(自身を除く): 9221575

約数列:

[1, 5, 11, 13, 29, 55, 65, 143, 145, 319, 377, 715, 967, 1595, 1885, 4147, 4835, 10637, 12571, 20735, 28043, 53185, 62855, 138281, 140215, 308473, 364559, 691405, 1542365, 1822795, 4010149, 20050745]

約数ペア:

[(1, 20050745), (5, 4010149), (11, 1822795), (13, 1542365), (29, 691405), (55, 364559), (65, 308473), (143, 140215), (145, 138281), (319, 62855), (377, 53185), (715, 28043), (967, 20735), (1595, 12571), (1885, 10637), (4147, 4835)]