20902687

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{613}}^1$

素因数の和:730

約数の個数: 16

約数和(自身を含む): 23449888

約数和(自身を除く): 2547201

約数列:

[1, 13, 43, 61, 559, 613, 793, 2623, 7969, 26359, 34099, 37393, 342667, 486109, 1607899, 20902687]

約数ペア:

[(1, 20902687), (13, 1607899), (43, 486109), (61, 342667), (559, 37393), (613, 34099), (793, 26359), (2623, 7969)]