20147237748

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{388373}}^1$

素因数の和:388525

約数の個数: 72

約数和(自身を含む): 55981781856

約数和(自身を除く): 35834544108

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 131, 132, 198, 262, 393, 396, 524, 786, 1179, 1441, 1572, 2358, 2882, 4323, 4716, 5764, 8646, 12969, 17292, 25938, 51876, 388373, 776746, 1165119, 1553492, 2330238, 3495357, 4272103, 4660476, 6990714, 8544206, 12816309, 13981428, 17088412, 25632618, 38448927, 50876863, 51265236, 76897854, 101753726, 152630589, 153795708, 203507452, 305261178, 457891767, 559645493, 610522356, 915783534, 1119290986, 1678936479, 1831567068, 2238581972, 3357872958, 5036809437, 6715745916, 10073618874, 20147237748]

約数ペア:

[(1, 20147237748), (2, 10073618874), (3, 6715745916), (4, 5036809437), (6, 3357872958), (9, 2238581972), (11, 1831567068), (12, 1678936479), (18, 1119290986), (22, 915783534), (33, 610522356), (36, 559645493), (44, 457891767), (66, 305261178), (99, 203507452), (131, 153795708), (132, 152630589), (198, 101753726), (262, 76897854), (393, 51265236), (396, 50876863), (524, 38448927), (786, 25632618), (1179, 17088412), (1441, 13981428), (1572, 12816309), (2358, 8544206), (2882, 6990714), (4323, 4660476), (4716, 4272103), (5764, 3495357), (8646, 2330238), (12969, 1553492), (17292, 1165119), (25938, 776746), (51876, 388373)]