20468399616

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1303}}^1$

素因数の和:1821

約数の個数: 240

約数和(自身を含む): 67702761984

約数和(自身を除く): 47234362368

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 487, 504, 512, 576, 672, 768, 896, 974, 1008, 1152, 1303, 1344, 1461, 1536, 1792, 1948, 2016, 2304, 2606, 2688, 2922, 3409, 3584, 3896, 3909, 4032, 4383, 4608, 5212, 5376, 5844, 6818, 7792, 7818, 8064, 8766, 9121, 10227, 10424, 10752, 11688, 11727, 13636, 15584, 15636, 16128, 17532, 18242, 20454, 20848, 23376, 23454, 27272, 27363, 30681, 31168, 31272, 32256, 35064, 36484, 40908, 41696, 46752, 46908, 54544, 54726, 61362, 62336, 62544, 70128, 72968, 81816, 82089, 83392, 93504, 93816, 109088, 109452, 122724, 124672, 125088, 140256, 145936, 163632, 164178, 166784, 187008, 187632, 218176, 218904, 245448, 249344, 250176, 280512, 291872, 327264, 328356, 333568, 374016, 375264, 436352, 437808, 490896, 500352, 561024, 583744, 634561, 654528, 656712, 667136, 748032, 750528, 872704, 875616, 981792, 1000704, 1122048, 1167488, 1269122, 1309056, 1313424, 1501056, 1745408, 1751232, 1903683, 1963584, 2001408, 2244096, 2334976, 2538244, 2618112, 2626848, 3002112, 3502464, 3807366, 3927168, 4441927, 4669952, 5076488, 5236224, 5253696, 5711049, 6004224, 7004928, 7614732, 7854336, 8883854, 10152976, 10507392, 11422098, 13325781, 14009856, 15229464, 15708672, 17767708, 20305952, 21014784, 22844196, 26651562, 30458928, 35535416, 39977343, 40611904, 42029568, 45688392, 53303124, 60917856, 71070832, 79954686, 81223808, 91376784, 106606248, 121835712, 142141664, 159909372, 162447616, 182753568, 213212496, 243671424, 284283328, 319818744, 324895232, 365507136, 426424992, 487342848, 568566656, 639637488, 731014272, 852849984, 974685696, 1137133312, 1279274976, 1462028544, 1705699968, 2274266624, 2558549952, 2924057088, 3411399936, 5117099904, 6822799872, 10234199808, 20468399616]

約数ペア:

[(1, 20468399616), (2, 10234199808), (3, 6822799872), (4, 5117099904), (6, 3411399936), (7, 2924057088), (8, 2558549952), (9, 2274266624), (12, 1705699968), (14, 1462028544), (16, 1279274976), (18, 1137133312), (21, 974685696), (24, 852849984), (28, 731014272), (32, 639637488), (36, 568566656), (42, 487342848), (48, 426424992), (56, 365507136), (63, 324895232), (64, 319818744), (72, 284283328), (84, 243671424), (96, 213212496), (112, 182753568), (126, 162447616), (128, 159909372), (144, 142141664), (168, 121835712), (192, 106606248), (224, 91376784), (252, 81223808), (256, 79954686), (288, 71070832), (336, 60917856), (384, 53303124), (448, 45688392), (487, 42029568), (504, 40611904), (512, 39977343), (576, 35535416), (672, 30458928), (768, 26651562), (896, 22844196), (974, 21014784), (1008, 20305952), (1152, 17767708), (1303, 15708672), (1344, 15229464), (1461, 14009856), (1536, 13325781), (1792, 11422098), (1948, 10507392), (2016, 10152976), (2304, 8883854), (2606, 7854336), (2688, 7614732), (2922, 7004928), (3409, 6004224), (3584, 5711049), (3896, 5253696), (3909, 5236224), (4032, 5076488), (4383, 4669952), (4608, 4441927), (5212, 3927168), (5376, 3807366), (5844, 3502464), (6818, 3002112), (7792, 2626848), (7818, 2618112), (8064, 2538244), (8766, 2334976), (9121, 2244096), (10227, 2001408), (10424, 1963584), (10752, 1903683), (11688, 1751232), (11727, 1745408), (13636, 1501056), (15584, 1313424), (15636, 1309056), (16128, 1269122), (17532, 1167488), (18242, 1122048), (20454, 1000704), (20848, 981792), (23376, 875616), (23454, 872704), (27272, 750528), (27363, 748032), (30681, 667136), (31168, 656712), (31272, 654528), (32256, 634561), (35064, 583744), (36484, 561024), (40908, 500352), (41696, 490896), (46752, 437808), (46908, 436352), (54544, 375264), (54726, 374016), (61362, 333568), (62336, 328356), (62544, 327264), (70128, 291872), (72968, 280512), (81816, 250176), (82089, 249344), (83392, 245448), (93504, 218904), (93816, 218176), (109088, 187632), (109452, 187008), (122724, 166784), (124672, 164178), (125088, 163632), (140256, 145936)]