20559087

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{577}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 30837456

約数和(自身を除く): 10278369

約数列:

[1, 3, 9, 37, 107, 111, 321, 333, 577, 963, 1731, 3959, 5193, 11877, 21349, 35631, 61739, 64047, 185217, 192141, 555651, 2284343, 6853029, 20559087]

約数ペア:

[(1, 20559087), (3, 6853029), (9, 2284343), (37, 555651), (107, 192141), (111, 185217), (321, 64047), (333, 61739), (577, 35631), (963, 21349), (1731, 11877), (3959, 5193)]