20918304

素因数分解:

$2^5\times 3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 192

約数和(自身を含む): 69672960

約数和(自身を除く): 48754656

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 31, 32, 33, 36, 44, 48, 54, 62, 66, 71, 72, 88, 93, 96, 99, 108, 124, 132, 142, 144, 176, 186, 198, 213, 216, 248, 264, 279, 284, 288, 297, 341, 352, 372, 396, 426, 432, 496, 528, 558, 568, 594, 639, 682, 744, 781, 792, 837, 852, 864, 992, 1023, 1056, 1116, 1136, 1188, 1278, 1364, 1488, 1562, 1584, 1674, 1704, 1917, 2046, 2201, 2232, 2272, 2343, 2376, 2556, 2728, 2976, 3069, 3124, 3168, 3348, 3408, 3834, 4092, 4402, 4464, 4686, 4752, 5112, 5456, 6138, 6248, 6603, 6696, 6816, 7029, 7668, 8184, 8804, 8928, 9207, 9372, 9504, 10224, 10912, 12276, 12496, 13206, 13392, 14058, 15336, 16368, 17608, 18414, 18744, 19809, 20448, 21087, 24211, 24552, 24992, 26412, 26784, 28116, 30672, 32736, 35216, 36828, 37488, 39618, 42174, 48422, 49104, 52824, 56232, 59427, 61344, 70432, 72633, 73656, 74976, 79236, 84348, 96844, 98208, 105648, 112464, 118854, 145266, 147312, 158472, 168696, 193688, 211296, 217899, 224928, 237708, 290532, 294624, 316944, 337392, 387376, 435798, 475416, 581064, 633888, 653697, 674784, 774752, 871596, 950832, 1162128, 1307394, 1743192, 1901664, 2324256, 2614788, 3486384, 5229576, 6972768, 10459152, 20918304]

約数ペア:

[(1, 20918304), (2, 10459152), (3, 6972768), (4, 5229576), (6, 3486384), (8, 2614788), (9, 2324256), (11, 1901664), (12, 1743192), (16, 1307394), (18, 1162128), (22, 950832), (24, 871596), (27, 774752), (31, 674784), (32, 653697), (33, 633888), (36, 581064), (44, 475416), (48, 435798), (54, 387376), (62, 337392), (66, 316944), (71, 294624), (72, 290532), (88, 237708), (93, 224928), (96, 217899), (99, 211296), (108, 193688), (124, 168696), (132, 158472), (142, 147312), (144, 145266), (176, 118854), (186, 112464), (198, 105648), (213, 98208), (216, 96844), (248, 84348), (264, 79236), (279, 74976), (284, 73656), (288, 72633), (297, 70432), (341, 61344), (352, 59427), (372, 56232), (396, 52824), (426, 49104), (432, 48422), (496, 42174), (528, 39618), (558, 37488), (568, 36828), (594, 35216), (639, 32736), (682, 30672), (744, 28116), (781, 26784), (792, 26412), (837, 24992), (852, 24552), (864, 24211), (992, 21087), (1023, 20448), (1056, 19809), (1116, 18744), (1136, 18414), (1188, 17608), (1278, 16368), (1364, 15336), (1488, 14058), (1562, 13392), (1584, 13206), (1674, 12496), (1704, 12276), (1917, 10912), (2046, 10224), (2201, 9504), (2232, 9372), (2272, 9207), (2343, 8928), (2376, 8804), (2556, 8184), (2728, 7668), (2976, 7029), (3069, 6816), (3124, 6696), (3168, 6603), (3348, 6248), (3408, 6138), (3834, 5456), (4092, 5112), (4402, 4752), (4464, 4686)]