20337309

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 30440280

約数和(自身を除く): 10102971

約数列:

[1, 3, 9, 37, 111, 157, 333, 389, 471, 1167, 1413, 3501, 5809, 14393, 17427, 43179, 52281, 61073, 129537, 183219, 549657, 2259701, 6779103, 20337309]

約数ペア:

[(1, 20337309), (3, 6779103), (9, 2259701), (37, 549657), (111, 183219), (157, 129537), (333, 61073), (389, 52281), (471, 43179), (1167, 17427), (1413, 14393), (3501, 5809)]