20129553639

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{388369}}^1$

素因数の和:388831

約数の個数: 24

約数和(自身を含む): 31383402960

約数和(自身を除く): 11253849321

約数列:

[1, 3, 9, 13, 39, 117, 443, 1329, 3987, 5759, 17277, 51831, 388369, 1165107, 3495321, 5048797, 15146391, 45439173, 172047467, 516142401, 1548427203, 2236617071, 6709851213, 20129553639]

約数ペア:

[(1, 20129553639), (3, 6709851213), (9, 2236617071), (13, 1548427203), (39, 516142401), (117, 172047467), (443, 45439173), (1329, 15146391), (3987, 5048797), (5759, 3495321), (17277, 1165107), (51831, 388369)]