20345985

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4567}}^1$

素因数の和:4595

約数の個数: 40

約数和(自身を含む): 39796416

約数和(自身を除く): 19450431

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4455, 4567, 13701, 22835, 41103, 50237, 68505, 123309, 150711, 205515, 251185, 369927, 452133, 616545, 753555, 1356399, 1849635, 2260665, 4069197, 6781995, 20345985]

約数ペア:

[(1, 20345985), (3, 6781995), (5, 4069197), (9, 2260665), (11, 1849635), (15, 1356399), (27, 753555), (33, 616545), (45, 452133), (55, 369927), (81, 251185), (99, 205515), (135, 150711), (165, 123309), (297, 68505), (405, 50237), (495, 41103), (891, 22835), (1485, 13701), (4455, 4567)]