20954448

素因数分解:

$2^4\times 3^2\times {\mathrm{145517}}^1$

素因数の和:145531

約数の個数: 30

約数和(自身を含む): 58643754

約数和(自身を除く): 37689306

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 145517, 291034, 436551, 582068, 873102, 1164136, 1309653, 1746204, 2328272, 2619306, 3492408, 5238612, 6984816, 10477224, 20954448]

約数ペア:

[(1, 20954448), (2, 10477224), (3, 6984816), (4, 5238612), (6, 3492408), (8, 2619306), (9, 2328272), (12, 1746204), (16, 1309653), (18, 1164136), (24, 873102), (36, 582068), (48, 436551), (72, 291034), (144, 145517)]