20123132391

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1285741}}^1$

素因数の和:1285831

約数の個数: 24

約数和(自身を含む): 30487514304

約数和(自身を除く): 10364381913

約数列:

[1, 3, 9, 37, 47, 111, 141, 333, 423, 1739, 5217, 15651, 1285741, 3857223, 11571669, 47572417, 60429827, 142717251, 181289481, 428151753, 543868443, 2235903599, 6707710797, 20123132391]

約数ペア:

[(1, 20123132391), (3, 6707710797), (9, 2235903599), (37, 543868443), (47, 428151753), (111, 181289481), (141, 142717251), (333, 60429827), (423, 47572417), (1739, 11571669), (5217, 3857223), (15651, 1285741)]