20943776

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:99

約数の個数: 108

約数和(自身を含む): 51990498

約数和(自身を除く): 31046722

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 37, 38, 49, 56, 74, 76, 98, 112, 133, 148, 152, 196, 224, 259, 266, 296, 304, 361, 392, 518, 532, 592, 608, 703, 722, 784, 931, 1036, 1064, 1184, 1406, 1444, 1568, 1813, 1862, 2072, 2128, 2527, 2812, 2888, 3626, 3724, 4144, 4256, 4921, 5054, 5624, 5776, 7252, 7448, 8288, 9842, 10108, 11248, 11552, 13357, 14504, 14896, 17689, 19684, 20216, 22496, 26714, 29008, 29792, 34447, 35378, 39368, 40432, 53428, 58016, 68894, 70756, 78736, 80864, 93499, 106856, 137788, 141512, 157472, 186998, 213712, 275576, 283024, 373996, 427424, 551152, 566048, 654493, 747992, 1102304, 1308986, 1495984, 2617972, 2991968, 5235944, 10471888, 20943776]

約数ペア:

[(1, 20943776), (2, 10471888), (4, 5235944), (7, 2991968), (8, 2617972), (14, 1495984), (16, 1308986), (19, 1102304), (28, 747992), (32, 654493), (37, 566048), (38, 551152), (49, 427424), (56, 373996), (74, 283024), (76, 275576), (98, 213712), (112, 186998), (133, 157472), (148, 141512), (152, 137788), (196, 106856), (224, 93499), (259, 80864), (266, 78736), (296, 70756), (304, 68894), (361, 58016), (392, 53428), (518, 40432), (532, 39368), (592, 35378), (608, 34447), (703, 29792), (722, 29008), (784, 26714), (931, 22496), (1036, 20216), (1064, 19684), (1184, 17689), (1406, 14896), (1444, 14504), (1568, 13357), (1813, 11552), (1862, 11248), (2072, 10108), (2128, 9842), (2527, 8288), (2812, 7448), (2888, 7252), (3626, 5776), (3724, 5624), (4144, 5054), (4256, 4921)]