20181267666

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{2473}}^1\times {\mathrm{21589}}^1$

素因数の和:24080

約数の個数: 64

約数和(自身を含む): 51277113600

約数和(自身を除く): 31095845934

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 2473, 4946, 7419, 14838, 17311, 21589, 22257, 34622, 43178, 44514, 51933, 64767, 66771, 103866, 129534, 133542, 151123, 155799, 194301, 302246, 311598, 388602, 453369, 467397, 582903, 906738, 934794, 1165806, 1360107, 2720214, 4080321, 8160642, 53389597, 106779194, 160168791, 320337582, 373727179, 480506373, 747454358, 961012746, 1121181537, 1441519119, 2242363074, 2883038238, 3363544611, 6727089222, 10090633833, 20181267666]

約数ペア:

[(1, 20181267666), (2, 10090633833), (3, 6727089222), (6, 3363544611), (7, 2883038238), (9, 2242363074), (14, 1441519119), (18, 1121181537), (21, 961012746), (27, 747454358), (42, 480506373), (54, 373727179), (63, 320337582), (126, 160168791), (189, 106779194), (378, 53389597), (2473, 8160642), (4946, 4080321), (7419, 2720214), (14838, 1360107), (17311, 1165806), (21589, 934794), (22257, 906738), (34622, 582903), (43178, 467397), (44514, 453369), (51933, 388602), (64767, 311598), (66771, 302246), (103866, 194301), (129534, 155799), (133542, 151123)]