20201457591

素因数分解:

$3^4\times 7^1\times {\mathrm{35628673}}^1$

素因数の和:35628692

約数の個数: 20

約数和(自身を含む): 34488556432

約数和(自身を除く): 14287098841

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35628673, 106886019, 249400711, 320658057, 748202133, 961974171, 2244606399, 2885922513, 6733819197, 20201457591]

約数ペア:

[(1, 20201457591), (3, 6733819197), (7, 2885922513), (9, 2244606399), (21, 961974171), (27, 748202133), (63, 320658057), (81, 249400711), (189, 106886019), (567, 35628673)]