20842848

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1$

素因数の和:341

約数の個数: 144

約数和(自身を含む): 67420080

約数和(自身を除く): 46577232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 32, 36, 38, 39, 48, 52, 57, 72, 76, 78, 96, 104, 114, 117, 144, 152, 156, 171, 208, 228, 234, 247, 288, 293, 304, 312, 342, 416, 456, 468, 494, 586, 608, 624, 684, 741, 879, 912, 936, 988, 1172, 1248, 1368, 1482, 1758, 1824, 1872, 1976, 2223, 2344, 2637, 2736, 2964, 3516, 3744, 3809, 3952, 4446, 4688, 5274, 5472, 5567, 5928, 7032, 7618, 7904, 8892, 9376, 10548, 11134, 11427, 11856, 14064, 15236, 16701, 17784, 21096, 22268, 22854, 23712, 28128, 30472, 33402, 34281, 35568, 42192, 44536, 45708, 50103, 60944, 66804, 68562, 71136, 72371, 84384, 89072, 91416, 100206, 121888, 133608, 137124, 144742, 178144, 182832, 200412, 217113, 267216, 274248, 289484, 365664, 400824, 434226, 534432, 548496, 578968, 651339, 801648, 868452, 1096992, 1157936, 1302678, 1603296, 1736904, 2315872, 2605356, 3473808, 5210712, 6947616, 10421424, 20842848]

約数ペア:

[(1, 20842848), (2, 10421424), (3, 6947616), (4, 5210712), (6, 3473808), (8, 2605356), (9, 2315872), (12, 1736904), (13, 1603296), (16, 1302678), (18, 1157936), (19, 1096992), (24, 868452), (26, 801648), (32, 651339), (36, 578968), (38, 548496), (39, 534432), (48, 434226), (52, 400824), (57, 365664), (72, 289484), (76, 274248), (78, 267216), (96, 217113), (104, 200412), (114, 182832), (117, 178144), (144, 144742), (152, 137124), (156, 133608), (171, 121888), (208, 100206), (228, 91416), (234, 89072), (247, 84384), (288, 72371), (293, 71136), (304, 68562), (312, 66804), (342, 60944), (416, 50103), (456, 45708), (468, 44536), (494, 42192), (586, 35568), (608, 34281), (624, 33402), (684, 30472), (741, 28128), (879, 23712), (912, 22854), (936, 22268), (988, 21096), (1172, 17784), (1248, 16701), (1368, 15236), (1482, 14064), (1758, 11856), (1824, 11427), (1872, 11134), (1976, 10548), (2223, 9376), (2344, 8892), (2637, 7904), (2736, 7618), (2964, 7032), (3516, 5928), (3744, 5567), (3809, 5472), (3952, 5274), (4446, 4688)]