20725452

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:483

約数の個数: 72

約数和(自身を含む): 57657600

約数和(自身を除く): 36932148

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 199, 263, 396, 398, 526, 597, 789, 796, 1052, 1194, 1578, 1791, 2189, 2367, 2388, 2893, 3156, 3582, 4378, 4734, 5786, 6567, 7164, 8679, 8756, 9468, 11572, 13134, 17358, 19701, 26037, 26268, 34716, 39402, 52074, 52337, 78804, 104148, 104674, 157011, 209348, 314022, 471033, 575707, 628044, 942066, 1151414, 1727121, 1884132, 2302828, 3454242, 5181363, 6908484, 10362726, 20725452]

約数ペア:

[(1, 20725452), (2, 10362726), (3, 6908484), (4, 5181363), (6, 3454242), (9, 2302828), (11, 1884132), (12, 1727121), (18, 1151414), (22, 942066), (33, 628044), (36, 575707), (44, 471033), (66, 314022), (99, 209348), (132, 157011), (198, 104674), (199, 104148), (263, 78804), (396, 52337), (398, 52074), (526, 39402), (597, 34716), (789, 26268), (796, 26037), (1052, 19701), (1194, 17358), (1578, 13134), (1791, 11572), (2189, 9468), (2367, 8756), (2388, 8679), (2893, 7164), (3156, 6567), (3582, 5786), (4378, 4734)]