20238905

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1213}}^1$

素因数の和:1336

約数の個数: 16

約数和(自身を含む): 25173504

約数和(自身を除く): 4934599

約数列:

[1, 5, 47, 71, 235, 355, 1213, 3337, 6065, 16685, 57011, 86123, 285055, 430615, 4047781, 20238905]

約数ペア:

[(1, 20238905), (5, 4047781), (47, 430615), (71, 285055), (235, 86123), (355, 57011), (1213, 16685), (3337, 6065)]