20489931

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29567}}^1$

素因数の和:29591

約数の個数: 24

約数和(自身を含む): 36900864

約数和(自身を除く): 16410933

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 29567, 88701, 206969, 266103, 325237, 620907, 975711, 1862721, 2276659, 2927133, 6829977, 20489931]

約数ペア:

[(1, 20489931), (3, 6829977), (7, 2927133), (9, 2276659), (11, 1862721), (21, 975711), (33, 620907), (63, 325237), (77, 266103), (99, 206969), (231, 88701), (693, 29567)]