20983329

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1033}}^1$

素因数の和:1137

約数の個数: 24

約数和(自身を含む): 31669352

約数和(自身を除く): 10686023

約数列:

[1, 3, 9, 37, 61, 111, 183, 333, 549, 1033, 2257, 3099, 6771, 9297, 20313, 38221, 63013, 114663, 189039, 343989, 567117, 2331481, 6994443, 20983329]

約数ペア:

[(1, 20983329), (3, 6994443), (9, 2331481), (37, 567117), (61, 343989), (111, 189039), (183, 114663), (333, 63013), (549, 38221), (1033, 20313), (2257, 9297), (3099, 6771)]