20559483

素因数分解:

$3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1063}}^1$

素因数の和:1383

約数の個数: 24

約数和(自身を含む): 34082048

約数和(自身を除く): 13522565

約数列:

[1, 3, 7, 9, 21, 63, 307, 921, 1063, 2149, 2763, 3189, 6447, 7441, 9567, 19341, 22323, 66969, 326341, 979023, 2284387, 2937069, 6853161, 20559483]

約数ペア:

[(1, 20559483), (3, 6853161), (7, 2937069), (9, 2284387), (21, 979023), (63, 326341), (307, 66969), (921, 22323), (1063, 19341), (2149, 9567), (2763, 7441), (3189, 6447)]