20123925

素因数分解:

$3^1\times 5^2\times {\mathrm{251}}^1\times {\mathrm{1069}}^1$

素因数の和:1333

約数の個数: 24

約数和(自身を含む): 33435360

約数和(自身を除く): 13311435

約数列:

[1, 3, 5, 15, 25, 75, 251, 753, 1069, 1255, 3207, 3765, 5345, 6275, 16035, 18825, 26725, 80175, 268319, 804957, 1341595, 4024785, 6707975, 20123925]

約数ペア:

[(1, 20123925), (3, 6707975), (5, 4024785), (15, 1341595), (25, 804957), (75, 268319), (251, 80175), (753, 26725), (1069, 18825), (1255, 16035), (3207, 6275), (3765, 5345)]