20384559

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2953}}^1$

素因数の和:3031

約数の個数: 24

約数和(自身を含む): 32257680

約数和(自身を除く): 11873121

約数列:

[1, 3, 9, 13, 39, 59, 117, 177, 531, 767, 2301, 2953, 6903, 8859, 26577, 38389, 115167, 174227, 345501, 522681, 1568043, 2264951, 6794853, 20384559]

約数ペア:

[(1, 20384559), (3, 6794853), (9, 2264951), (13, 1568043), (39, 522681), (59, 345501), (117, 174227), (177, 115167), (531, 38389), (767, 26577), (2301, 8859), (2953, 6903)]