20754550

素因数分解:

$2^1\times 5^2\times {\mathrm{443}}^1\times {\mathrm{937}}^1$

素因数の和:1392

約数の個数: 24

約数和(自身を含む): 38731896

約数和(自身を除く): 17977346

約数列:

[1, 2, 5, 10, 25, 50, 443, 886, 937, 1874, 2215, 4430, 4685, 9370, 11075, 22150, 23425, 46850, 415091, 830182, 2075455, 4150910, 10377275, 20754550]

約数ペア:

[(1, 20754550), (2, 10377275), (5, 4150910), (10, 2075455), (25, 830182), (50, 415091), (443, 46850), (886, 23425), (937, 22150), (1874, 11075), (2215, 9370), (4430, 4685)]