20746656

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:315

約数の個数: 144

約数和(自身を含む): 69346368

約数和(自身を除く): 48599712

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 41, 42, 48, 56, 63, 72, 82, 84, 96, 112, 123, 126, 144, 164, 168, 224, 246, 251, 252, 287, 288, 328, 336, 369, 492, 502, 504, 574, 656, 672, 738, 753, 861, 984, 1004, 1008, 1148, 1312, 1476, 1506, 1722, 1757, 1968, 2008, 2016, 2259, 2296, 2583, 2952, 3012, 3444, 3514, 3936, 4016, 4518, 4592, 5166, 5271, 5904, 6024, 6888, 7028, 8032, 9036, 9184, 10291, 10332, 10542, 11808, 12048, 13776, 14056, 15813, 18072, 20582, 20664, 21084, 24096, 27552, 28112, 30873, 31626, 36144, 41164, 41328, 42168, 56224, 61746, 63252, 72037, 72288, 82328, 82656, 84336, 92619, 123492, 126504, 144074, 164656, 168672, 185238, 216111, 246984, 253008, 288148, 329312, 370476, 432222, 493968, 506016, 576296, 648333, 740952, 864444, 987936, 1152592, 1296666, 1481904, 1728888, 2305184, 2593332, 2963808, 3457776, 5186664, 6915552, 10373328, 20746656]

約数ペア:

[(1, 20746656), (2, 10373328), (3, 6915552), (4, 5186664), (6, 3457776), (7, 2963808), (8, 2593332), (9, 2305184), (12, 1728888), (14, 1481904), (16, 1296666), (18, 1152592), (21, 987936), (24, 864444), (28, 740952), (32, 648333), (36, 576296), (41, 506016), (42, 493968), (48, 432222), (56, 370476), (63, 329312), (72, 288148), (82, 253008), (84, 246984), (96, 216111), (112, 185238), (123, 168672), (126, 164656), (144, 144074), (164, 126504), (168, 123492), (224, 92619), (246, 84336), (251, 82656), (252, 82328), (287, 72288), (288, 72037), (328, 63252), (336, 61746), (369, 56224), (492, 42168), (502, 41328), (504, 41164), (574, 36144), (656, 31626), (672, 30873), (738, 28112), (753, 27552), (861, 24096), (984, 21084), (1004, 20664), (1008, 20582), (1148, 18072), (1312, 15813), (1476, 14056), (1506, 13776), (1722, 12048), (1757, 11808), (1968, 10542), (2008, 10332), (2016, 10291), (2259, 9184), (2296, 9036), (2583, 8032), (2952, 7028), (3012, 6888), (3444, 6024), (3514, 5904), (3936, 5271), (4016, 5166), (4518, 4592)]