20945133

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2549}}^1$

素因数の和:2649

約数の個数: 24

約数和(自身を含む): 33415200

約数和(自身を除く): 12470067

約数列:

[1, 3, 9, 11, 33, 83, 99, 249, 747, 913, 2549, 2739, 7647, 8217, 22941, 28039, 84117, 211567, 252351, 634701, 1904103, 2327237, 6981711, 20945133]

約数ペア:

[(1, 20945133), (3, 6981711), (9, 2327237), (11, 1904103), (33, 634701), (83, 252351), (99, 211567), (249, 84117), (747, 28039), (913, 22941), (2549, 8217), (2739, 7647)]