20674431

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{829}}^1$

素因数の和:1015

約数の個数: 24

約数和(自身を含む): 31852080

約数和(自身を除く): 11177649

約数列:

[1, 3, 9, 17, 51, 153, 163, 489, 829, 1467, 2487, 2771, 7461, 8313, 14093, 24939, 42279, 126837, 135127, 405381, 1216143, 2297159, 6891477, 20674431]

約数ペア:

[(1, 20674431), (3, 6891477), (9, 2297159), (17, 1216143), (51, 405381), (153, 135127), (163, 126837), (489, 42279), (829, 24939), (1467, 14093), (2487, 8313), (2771, 7461)]