20185011

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:126

約数の個数: 96

約数和(自身を含む): 40492800

約数和(自身を除く): 20307789

約数列:

[1, 3, 7, 9, 11, 19, 21, 27, 33, 49, 57, 63, 73, 77, 99, 133, 147, 171, 189, 209, 219, 231, 297, 399, 441, 511, 513, 539, 627, 657, 693, 803, 931, 1197, 1323, 1387, 1463, 1533, 1617, 1881, 1971, 2079, 2409, 2793, 3577, 3591, 4161, 4389, 4599, 4851, 5621, 5643, 7227, 8379, 9709, 10241, 10731, 12483, 13167, 13797, 14553, 15257, 16863, 21681, 25137, 29127, 30723, 32193, 37449, 39347, 39501, 45771, 50589, 67963, 87381, 92169, 96579, 106799, 118041, 137313, 151767, 203889, 262143, 276507, 320397, 354123, 411939, 611667, 747593, 961191, 1062369, 1835001, 2242779, 2883573, 6728337, 20185011]

約数ペア:

[(1, 20185011), (3, 6728337), (7, 2883573), (9, 2242779), (11, 1835001), (19, 1062369), (21, 961191), (27, 747593), (33, 611667), (49, 411939), (57, 354123), (63, 320397), (73, 276507), (77, 262143), (99, 203889), (133, 151767), (147, 137313), (171, 118041), (189, 106799), (209, 96579), (219, 92169), (231, 87381), (297, 67963), (399, 50589), (441, 45771), (511, 39501), (513, 39347), (539, 37449), (627, 32193), (657, 30723), (693, 29127), (803, 25137), (931, 21681), (1197, 16863), (1323, 15257), (1387, 14553), (1463, 13797), (1533, 13167), (1617, 12483), (1881, 10731), (1971, 10241), (2079, 9709), (2409, 8379), (2793, 7227), (3577, 5643), (3591, 5621), (4161, 4851), (4389, 4599)]