20216172564

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{621883}}^1$

素因数の和:621946

約数の個数: 96

約数和(自身を含む): 61292887040

約数和(自身を除く): 41076714476

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 43, 54, 63, 84, 86, 108, 126, 129, 172, 189, 252, 258, 301, 378, 387, 516, 602, 756, 774, 903, 1161, 1204, 1548, 1806, 2322, 2709, 3612, 4644, 5418, 8127, 10836, 16254, 32508, 621883, 1243766, 1865649, 2487532, 3731298, 4353181, 5596947, 7462596, 8706362, 11193894, 13059543, 16790841, 17412724, 22387788, 26119086, 26740969, 33581682, 39178629, 52238172, 53481938, 67163364, 78357258, 80222907, 106963876, 117535887, 156714516, 160445814, 187186783, 235071774, 240668721, 320891628, 374373566, 470143548, 481337442, 561560349, 722006163, 748747132, 962674884, 1123120698, 1444012326, 1684681047, 2246241396, 2888024652, 3369362094, 5054043141, 6738724188, 10108086282, 20216172564]

約数ペア:

[(1, 20216172564), (2, 10108086282), (3, 6738724188), (4, 5054043141), (6, 3369362094), (7, 2888024652), (9, 2246241396), (12, 1684681047), (14, 1444012326), (18, 1123120698), (21, 962674884), (27, 748747132), (28, 722006163), (36, 561560349), (42, 481337442), (43, 470143548), (54, 374373566), (63, 320891628), (84, 240668721), (86, 235071774), (108, 187186783), (126, 160445814), (129, 156714516), (172, 117535887), (189, 106963876), (252, 80222907), (258, 78357258), (301, 67163364), (378, 53481938), (387, 52238172), (516, 39178629), (602, 33581682), (756, 26740969), (774, 26119086), (903, 22387788), (1161, 17412724), (1204, 16790841), (1548, 13059543), (1806, 11193894), (2322, 8706362), (2709, 7462596), (3612, 5596947), (4644, 4353181), (5418, 3731298), (8127, 2487532), (10836, 1865649), (16254, 1243766), (32508, 621883)]