20855818560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{10613}}^1$

素因数の和:10745

約数の個数: 224

約数和(自身を含む): 69879179520

約数和(自身を除く): 49023360960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 89, 92, 96, 115, 120, 138, 160, 178, 184, 192, 230, 240, 267, 276, 320, 345, 356, 368, 445, 460, 480, 534, 552, 690, 712, 736, 890, 920, 960, 1068, 1104, 1335, 1380, 1424, 1472, 1780, 1840, 2047, 2136, 2208, 2670, 2760, 2848, 3560, 3680, 4094, 4272, 4416, 5340, 5520, 5696, 6141, 7120, 7360, 8188, 8544, 10235, 10613, 10680, 11040, 12282, 14240, 16376, 17088, 20470, 21226, 21360, 22080, 24564, 28480, 30705, 31839, 32752, 40940, 42452, 42720, 49128, 53065, 61410, 63678, 65504, 81880, 84904, 85440, 98256, 106130, 122820, 127356, 131008, 159195, 163760, 169808, 196512, 212260, 244099, 245640, 254712, 318390, 327520, 339616, 393024, 424520, 488198, 491280, 509424, 636780, 655040, 679232, 732297, 849040, 944557, 976396, 982560, 1018848, 1220495, 1273560, 1464594, 1698080, 1889114, 1952792, 1965120, 2037696, 2440990, 2547120, 2833671, 2929188, 3396160, 3661485, 3778228, 3905584, 4722785, 4881980, 5094240, 5667342, 5858376, 7322970, 7556456, 7811168, 9445570, 9763960, 10188480, 11334684, 11716752, 14168355, 14645940, 15112912, 15622336, 18891140, 19527920, 21724811, 22669368, 23433504, 28336710, 29291880, 30225824, 37782280, 39055840, 43449622, 45338736, 46867008, 56673420, 58583760, 60451648, 65174433, 75564560, 78111680, 86899244, 90677472, 108624055, 113346840, 117167520, 130348866, 151129120, 173798488, 181354944, 217248110, 226693680, 234335040, 260697732, 302258240, 325872165, 347596976, 434496220, 453387360, 521395464, 651744330, 695193952, 868992440, 906774720, 1042790928, 1303488660, 1390387904, 1737984880, 2085581856, 2606977320, 3475969760, 4171163712, 5213954640, 6951939520, 10427909280, 20855818560]

約数ペア:

[(1, 20855818560), (2, 10427909280), (3, 6951939520), (4, 5213954640), (5, 4171163712), (6, 3475969760), (8, 2606977320), (10, 2085581856), (12, 1737984880), (15, 1390387904), (16, 1303488660), (20, 1042790928), (23, 906774720), (24, 868992440), (30, 695193952), (32, 651744330), (40, 521395464), (46, 453387360), (48, 434496220), (60, 347596976), (64, 325872165), (69, 302258240), (80, 260697732), (89, 234335040), (92, 226693680), (96, 217248110), (115, 181354944), (120, 173798488), (138, 151129120), (160, 130348866), (178, 117167520), (184, 113346840), (192, 108624055), (230, 90677472), (240, 86899244), (267, 78111680), (276, 75564560), (320, 65174433), (345, 60451648), (356, 58583760), (368, 56673420), (445, 46867008), (460, 45338736), (480, 43449622), (534, 39055840), (552, 37782280), (690, 30225824), (712, 29291880), (736, 28336710), (890, 23433504), (920, 22669368), (960, 21724811), (1068, 19527920), (1104, 18891140), (1335, 15622336), (1380, 15112912), (1424, 14645940), (1472, 14168355), (1780, 11716752), (1840, 11334684), (2047, 10188480), (2136, 9763960), (2208, 9445570), (2670, 7811168), (2760, 7556456), (2848, 7322970), (3560, 5858376), (3680, 5667342), (4094, 5094240), (4272, 4881980), (4416, 4722785), (5340, 3905584), (5520, 3778228), (5696, 3661485), (6141, 3396160), (7120, 2929188), (7360, 2833671), (8188, 2547120), (8544, 2440990), (10235, 2037696), (10613, 1965120), (10680, 1952792), (11040, 1889114), (12282, 1698080), (14240, 1464594), (16376, 1273560), (17088, 1220495), (20470, 1018848), (21226, 982560), (21360, 976396), (22080, 944557), (24564, 849040), (28480, 732297), (30705, 679232), (31839, 655040), (32752, 636780), (40940, 509424), (42452, 491280), (42720, 488198), (49128, 424520), (53065, 393024), (61410, 339616), (63678, 327520), (65504, 318390), (81880, 254712), (84904, 245640), (85440, 244099), (98256, 212260), (106130, 196512), (122820, 169808), (127356, 163760), (131008, 159195)]