20271834

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2381}}^1$

素因数の和:2443

約数の個数: 48

約数和(自身を含む): 49050144

約数和(自身を除く): 28778310

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 43, 66, 86, 99, 129, 198, 258, 387, 473, 774, 946, 1419, 2381, 2838, 4257, 4762, 7143, 8514, 14286, 21429, 26191, 42858, 52382, 78573, 102383, 157146, 204766, 235719, 307149, 471438, 614298, 921447, 1126213, 1842894, 2252426, 3378639, 6757278, 10135917, 20271834]

約数ペア:

[(1, 20271834), (2, 10135917), (3, 6757278), (6, 3378639), (9, 2252426), (11, 1842894), (18, 1126213), (22, 921447), (33, 614298), (43, 471438), (66, 307149), (86, 235719), (99, 204766), (129, 157146), (198, 102383), (258, 78573), (387, 52382), (473, 42858), (774, 26191), (946, 21429), (1419, 14286), (2381, 8514), (2838, 7143), (4257, 4762)]