20309337

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{859}}^1$

素因数の和:973

約数の個数: 24

約数和(自身を含む): 30588480

約数和(自身を除く): 10279143

約数列:

[1, 3, 9, 37, 71, 111, 213, 333, 639, 859, 2577, 2627, 7731, 7881, 23643, 31783, 60989, 95349, 182967, 286047, 548901, 2256593, 6769779, 20309337]

約数ペア:

[(1, 20309337), (3, 6769779), (9, 2256593), (37, 548901), (71, 286047), (111, 182967), (213, 95349), (333, 60989), (639, 31783), (859, 23643), (2577, 7881), (2627, 7731)]