20744294410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1493}}^1\times {\mathrm{198491}}^1$

素因数の和:199998

約数の個数: 32

約数和(自身を含む): 42702774912

約数和(自身を除く): 21958480502

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1493, 2986, 7465, 10451, 14930, 20902, 52255, 104510, 198491, 396982, 992455, 1389437, 1984910, 2778874, 6947185, 13894370, 296347063, 592694126, 1481735315, 2074429441, 2963470630, 4148858882, 10372147205, 20744294410]

約数ペア:

[(1, 20744294410), (2, 10372147205), (5, 4148858882), (7, 2963470630), (10, 2074429441), (14, 1481735315), (35, 592694126), (70, 296347063), (1493, 13894370), (2986, 6947185), (7465, 2778874), (10451, 1984910), (14930, 1389437), (20902, 992455), (52255, 396982), (104510, 198491)]