20367193184

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{523}}^1$

素因数の和:957

約数の個数: 144

約数和(自身を含む): 45913089600

約数和(自身を除く): 25545896416

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 169, 208, 247, 304, 338, 379, 416, 494, 523, 608, 676, 758, 988, 1046, 1352, 1516, 1976, 2092, 2704, 3032, 3211, 3952, 4184, 4927, 5408, 6064, 6422, 6799, 7201, 7904, 8368, 9854, 9937, 12128, 12844, 13598, 14402, 16736, 19708, 19874, 25688, 27196, 28804, 39416, 39748, 51376, 54392, 57608, 64051, 78832, 79496, 88387, 93613, 102752, 108784, 115216, 128102, 129181, 157664, 158992, 176774, 187226, 198217, 217568, 230432, 256204, 258362, 317984, 353548, 374452, 396434, 512408, 516724, 707096, 748904, 792868, 1024816, 1033448, 1216969, 1414192, 1497808, 1585736, 1679353, 2049632, 2066896, 2433938, 2576821, 2828384, 2995616, 3171472, 3358706, 3766123, 4133792, 4867876, 5153642, 6342944, 6717412, 7532246, 9735752, 10307284, 13434824, 15064492, 19471504, 20614568, 26869648, 30128984, 33498673, 38943008, 41229136, 48959599, 53739296, 60257968, 66997346, 82458272, 97919198, 120515936, 133994692, 195838396, 267989384, 391676792, 535978768, 636474787, 783353584, 1071957536, 1272949574, 1566707168, 2545899148, 5091798296, 10183596592, 20367193184]

約数ペア:

[(1, 20367193184), (2, 10183596592), (4, 5091798296), (8, 2545899148), (13, 1566707168), (16, 1272949574), (19, 1071957536), (26, 783353584), (32, 636474787), (38, 535978768), (52, 391676792), (76, 267989384), (104, 195838396), (152, 133994692), (169, 120515936), (208, 97919198), (247, 82458272), (304, 66997346), (338, 60257968), (379, 53739296), (416, 48959599), (494, 41229136), (523, 38943008), (608, 33498673), (676, 30128984), (758, 26869648), (988, 20614568), (1046, 19471504), (1352, 15064492), (1516, 13434824), (1976, 10307284), (2092, 9735752), (2704, 7532246), (3032, 6717412), (3211, 6342944), (3952, 5153642), (4184, 4867876), (4927, 4133792), (5408, 3766123), (6064, 3358706), (6422, 3171472), (6799, 2995616), (7201, 2828384), (7904, 2576821), (8368, 2433938), (9854, 2066896), (9937, 2049632), (12128, 1679353), (12844, 1585736), (13598, 1497808), (14402, 1414192), (16736, 1216969), (19708, 1033448), (19874, 1024816), (25688, 792868), (27196, 748904), (28804, 707096), (39416, 516724), (39748, 512408), (51376, 396434), (54392, 374452), (57608, 353548), (64051, 317984), (78832, 258362), (79496, 256204), (88387, 230432), (93613, 217568), (102752, 198217), (108784, 187226), (115216, 176774), (128102, 158992), (129181, 157664)]