20451124

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{673}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 36687168

約数和(自身を除く): 16236044

約数列:

[1, 2, 4, 71, 107, 142, 214, 284, 428, 673, 1346, 2692, 7597, 15194, 30388, 47783, 72011, 95566, 144022, 191132, 288044, 5112781, 10225562, 20451124]

約数ペア:

[(1, 20451124), (2, 10225562), (4, 5112781), (71, 288044), (107, 191132), (142, 144022), (214, 95566), (284, 72011), (428, 47783), (673, 30388), (1346, 15194), (2692, 7597)]