20623790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{433}}^2$

素因数の和:884

約数の個数: 24

約数和(自身を含む): 40591368

約数和(自身を除く): 19967578

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 433, 866, 2165, 4330, 4763, 9526, 23815, 47630, 187489, 374978, 937445, 1874890, 2062379, 4124758, 10311895, 20623790]

約数ペア:

[(1, 20623790), (2, 10311895), (5, 4124758), (10, 2062379), (11, 1874890), (22, 937445), (55, 374978), (110, 187489), (433, 47630), (866, 23815), (2165, 9526), (4330, 4763)]