20904048

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:164

約数の個数: 160

約数和(自身を含む): 67495680

約数和(自身を除く): 46591632

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 53, 54, 66, 72, 83, 88, 99, 106, 108, 132, 144, 159, 166, 176, 198, 212, 216, 249, 264, 297, 318, 332, 396, 424, 432, 477, 498, 528, 583, 594, 636, 664, 747, 792, 848, 913, 954, 996, 1166, 1188, 1272, 1328, 1431, 1494, 1584, 1749, 1826, 1908, 1992, 2241, 2332, 2376, 2544, 2739, 2862, 2988, 3498, 3652, 3816, 3984, 4399, 4482, 4664, 4752, 5247, 5478, 5724, 5976, 6996, 7304, 7632, 8217, 8798, 8964, 9328, 10494, 10956, 11448, 11952, 13197, 13992, 14608, 15741, 16434, 17596, 17928, 20988, 21912, 22896, 24651, 26394, 27984, 31482, 32868, 35192, 35856, 39591, 41976, 43824, 48389, 49302, 52788, 62964, 65736, 70384, 79182, 83952, 96778, 98604, 105576, 118773, 125928, 131472, 145167, 158364, 193556, 197208, 211152, 237546, 251856, 290334, 316728, 387112, 394416, 435501, 475092, 580668, 633456, 774224, 871002, 950184, 1161336, 1306503, 1742004, 1900368, 2322672, 2613006, 3484008, 5226012, 6968016, 10452024, 20904048]

約数ペア:

[(1, 20904048), (2, 10452024), (3, 6968016), (4, 5226012), (6, 3484008), (8, 2613006), (9, 2322672), (11, 1900368), (12, 1742004), (16, 1306503), (18, 1161336), (22, 950184), (24, 871002), (27, 774224), (33, 633456), (36, 580668), (44, 475092), (48, 435501), (53, 394416), (54, 387112), (66, 316728), (72, 290334), (83, 251856), (88, 237546), (99, 211152), (106, 197208), (108, 193556), (132, 158364), (144, 145167), (159, 131472), (166, 125928), (176, 118773), (198, 105576), (212, 98604), (216, 96778), (249, 83952), (264, 79182), (297, 70384), (318, 65736), (332, 62964), (396, 52788), (424, 49302), (432, 48389), (477, 43824), (498, 41976), (528, 39591), (583, 35856), (594, 35192), (636, 32868), (664, 31482), (747, 27984), (792, 26394), (848, 24651), (913, 22896), (954, 21912), (996, 20988), (1166, 17928), (1188, 17596), (1272, 16434), (1328, 15741), (1431, 14608), (1494, 13992), (1584, 13197), (1749, 11952), (1826, 11448), (1908, 10956), (1992, 10494), (2241, 9328), (2332, 8964), (2376, 8798), (2544, 8217), (2739, 7632), (2862, 7304), (2988, 6996), (3498, 5976), (3652, 5724), (3816, 5478), (3984, 5247), (4399, 4752), (4482, 4664)]