20549628

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{51893}}^1$

素因数の和:51914

約数の個数: 36

約数和(自身を含む): 56668248

約数和(自身を除く): 36118620

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 51893, 103786, 155679, 207572, 311358, 467037, 570823, 622716, 934074, 1141646, 1712469, 1868148, 2283292, 3424938, 5137407, 6849876, 10274814, 20549628]

約数ペア:

[(1, 20549628), (2, 10274814), (3, 6849876), (4, 5137407), (6, 3424938), (9, 2283292), (11, 1868148), (12, 1712469), (18, 1141646), (22, 934074), (33, 622716), (36, 570823), (44, 467037), (66, 311358), (99, 207572), (132, 155679), (198, 103786), (396, 51893)]