20512223067

素因数分解:

$3^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{509}}^1\times {\mathrm{6131}}^1$

素因数の和:6963

約数の個数: 32

約数和(自身を含む): 31423311360

約数和(自身を除く): 10911088293

約数列:

[1, 3, 7, 21, 313, 509, 939, 1527, 2191, 3563, 6131, 6573, 10689, 18393, 42917, 128751, 159317, 477951, 1115219, 1919003, 3120679, 3345657, 5757009, 9362037, 13433021, 21844753, 40299063, 65534259, 976772527, 2930317581, 6837407689, 20512223067]

約数ペア:

[(1, 20512223067), (3, 6837407689), (7, 2930317581), (21, 976772527), (313, 65534259), (509, 40299063), (939, 21844753), (1527, 13433021), (2191, 9362037), (3563, 5757009), (6131, 3345657), (6573, 3120679), (10689, 1919003), (18393, 1115219), (42917, 477951), (128751, 159317)]