20385567

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1931}}^1$

素因数の和:1980

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 12999393

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 153, 207, 391, 459, 621, 1173, 1931, 3519, 5793, 10557, 17379, 32827, 44413, 52137, 98481, 133239, 295443, 399717, 755021, 886329, 1199151, 2265063, 6795189, 20385567]

約数ペア:

[(1, 20385567), (3, 6795189), (9, 2265063), (17, 1199151), (23, 886329), (27, 755021), (51, 399717), (69, 295443), (153, 133239), (207, 98481), (391, 52137), (459, 44413), (621, 32827), (1173, 17379), (1931, 10557), (3519, 5793)]