20998197

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23567}}^1$

素因数の和:23590

約数の個数: 20

約数和(自身を含む): 34220736

約数和(自身を除く): 13222539

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 23567, 70701, 212103, 259237, 636309, 777711, 1908927, 2333133, 6999399, 20998197]

約数ペア:

[(1, 20998197), (3, 6999399), (9, 2333133), (11, 1908927), (27, 777711), (33, 636309), (81, 259237), (99, 212103), (297, 70701), (891, 23567)]