20531650

素因数分解:

$2^1\times 5^2\times {\mathrm{283}}^1\times {\mathrm{1451}}^1$

素因数の和:1746

約数の個数: 24

約数和(自身を含む): 38350224

約数和(自身を除く): 17818574

約数列:

[1, 2, 5, 10, 25, 50, 283, 566, 1415, 1451, 2830, 2902, 7075, 7255, 14150, 14510, 36275, 72550, 410633, 821266, 2053165, 4106330, 10265825, 20531650]

約数ペア:

[(1, 20531650), (2, 10265825), (5, 4106330), (10, 2053165), (25, 821266), (50, 410633), (283, 72550), (566, 36275), (1415, 14510), (1451, 14150), (2830, 7255), (2902, 7075)]