20022993

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1669}}^1$

素因数の和:1749

約数の個数: 24

約数和(自身を含む): 30567680

約数和(自身を除く): 10544687

約数列:

[1, 3, 9, 31, 43, 93, 129, 279, 387, 1333, 1669, 3999, 5007, 11997, 15021, 51739, 71767, 155217, 215301, 465651, 645903, 2224777, 6674331, 20022993]

約数ペア:

[(1, 20022993), (3, 6674331), (9, 2224777), (31, 645903), (43, 465651), (93, 215301), (129, 155217), (279, 71767), (387, 51739), (1333, 15021), (1669, 11997), (3999, 5007)]