20820591

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{6373}}^1$

素因数の和:6404

約数の個数: 24

約数和(自身を含む): 33909680

約数和(自身を除く): 13089089

約数列:

[1, 3, 9, 11, 27, 33, 99, 121, 297, 363, 1089, 3267, 6373, 19119, 57357, 70103, 172071, 210309, 630927, 771133, 1892781, 2313399, 6940197, 20820591]

約数ペア:

[(1, 20820591), (3, 6940197), (9, 2313399), (11, 1892781), (27, 771133), (33, 630927), (99, 210309), (121, 172071), (297, 70103), (363, 57357), (1089, 19119), (3267, 6373)]