20344857

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{613}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 31358208

約数和(自身を除く): 11013351

約数列:

[1, 3, 13, 23, 37, 39, 69, 111, 299, 481, 613, 851, 897, 1443, 1839, 2553, 7969, 11063, 14099, 22681, 23907, 33189, 42297, 68043, 183287, 294853, 521663, 549861, 884559, 1564989, 6781619, 20344857]

約数ペア:

[(1, 20344857), (3, 6781619), (13, 1564989), (23, 884559), (37, 549861), (39, 521663), (69, 294853), (111, 183287), (299, 68043), (481, 42297), (613, 33189), (851, 23907), (897, 22681), (1443, 14099), (1839, 11063), (2553, 7969)]