20124515

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{733}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 27040560

約数和(自身を除く): 6916045

約数列:

[1, 5, 17, 19, 85, 95, 289, 323, 733, 1445, 1615, 3665, 5491, 12461, 13927, 27455, 62305, 69635, 211837, 236759, 1059185, 1183795, 4024903, 20124515]

約数ペア:

[(1, 20124515), (5, 4024903), (17, 1183795), (19, 1059185), (85, 236759), (95, 211837), (289, 69635), (323, 62305), (733, 27455), (1445, 13927), (1615, 12461), (3665, 5491)]