20906474880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{2749}}^1$

素因数の和:3021

約数の個数: 256

約数和(自身を含む): 70887960000

約数和(自身を除く): 49981485120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 233, 240, 255, 272, 320, 340, 384, 408, 466, 480, 510, 544, 640, 680, 699, 816, 932, 960, 1020, 1088, 1165, 1360, 1398, 1632, 1864, 1920, 2040, 2176, 2330, 2720, 2749, 2796, 3264, 3495, 3728, 3961, 4080, 4660, 5440, 5498, 5592, 6528, 6990, 7456, 7922, 8160, 8247, 9320, 10880, 10996, 11184, 11883, 13745, 13980, 14912, 15844, 16320, 16494, 18640, 19805, 21992, 22368, 23766, 27490, 27960, 29824, 31688, 32640, 32988, 37280, 39610, 41235, 43984, 44736, 46733, 47532, 54980, 55920, 59415, 63376, 65976, 74560, 79220, 82470, 87968, 89472, 93466, 95064, 109960, 111840, 118830, 126752, 131952, 140199, 149120, 158440, 164940, 175936, 186932, 190128, 219920, 223680, 233665, 237660, 253504, 263904, 280398, 316880, 329880, 351872, 373864, 380256, 439840, 447360, 467330, 475320, 507008, 527808, 560796, 633760, 640517, 659760, 700995, 747728, 760512, 879680, 934660, 950640, 1055616, 1121592, 1267520, 1281034, 1319520, 1401990, 1495456, 1521024, 1759360, 1869320, 1901280, 1921551, 2243184, 2535040, 2562068, 2639040, 2803980, 2990912, 3202585, 3738640, 3802560, 3843102, 4486368, 5124136, 5278080, 5607960, 5981824, 6405170, 7477280, 7605120, 7686204, 8972736, 9607755, 10248272, 10888789, 11215920, 12810340, 14954560, 15372408, 17945472, 19215510, 20496544, 21777578, 22431840, 25620680, 29909120, 30744816, 32666367, 38431020, 40993088, 43555156, 44863680, 51241360, 54443945, 61489632, 65332734, 76862040, 81986176, 87110312, 89727360, 102482720, 108887890, 122979264, 130665468, 153724080, 163331835, 174220624, 204965440, 217775780, 245958528, 261330936, 307448160, 326663670, 348441248, 409930880, 435551560, 522661872, 614896320, 653327340, 696882496, 871103120, 1045323744, 1229792640, 1306654680, 1393764992, 1742206240, 2090647488, 2613309360, 3484412480, 4181294976, 5226618720, 6968824960, 10453237440, 20906474880]

約数ペア:

[(1, 20906474880), (2, 10453237440), (3, 6968824960), (4, 5226618720), (5, 4181294976), (6, 3484412480), (8, 2613309360), (10, 2090647488), (12, 1742206240), (15, 1393764992), (16, 1306654680), (17, 1229792640), (20, 1045323744), (24, 871103120), (30, 696882496), (32, 653327340), (34, 614896320), (40, 522661872), (48, 435551560), (51, 409930880), (60, 348441248), (64, 326663670), (68, 307448160), (80, 261330936), (85, 245958528), (96, 217775780), (102, 204965440), (120, 174220624), (128, 163331835), (136, 153724080), (160, 130665468), (170, 122979264), (192, 108887890), (204, 102482720), (233, 89727360), (240, 87110312), (255, 81986176), (272, 76862040), (320, 65332734), (340, 61489632), (384, 54443945), (408, 51241360), (466, 44863680), (480, 43555156), (510, 40993088), (544, 38431020), (640, 32666367), (680, 30744816), (699, 29909120), (816, 25620680), (932, 22431840), (960, 21777578), (1020, 20496544), (1088, 19215510), (1165, 17945472), (1360, 15372408), (1398, 14954560), (1632, 12810340), (1864, 11215920), (1920, 10888789), (2040, 10248272), (2176, 9607755), (2330, 8972736), (2720, 7686204), (2749, 7605120), (2796, 7477280), (3264, 6405170), (3495, 5981824), (3728, 5607960), (3961, 5278080), (4080, 5124136), (4660, 4486368), (5440, 3843102), (5498, 3802560), (5592, 3738640), (6528, 3202585), (6990, 2990912), (7456, 2803980), (7922, 2639040), (8160, 2562068), (8247, 2535040), (9320, 2243184), (10880, 1921551), (10996, 1901280), (11184, 1869320), (11883, 1759360), (13745, 1521024), (13980, 1495456), (14912, 1401990), (15844, 1319520), (16320, 1281034), (16494, 1267520), (18640, 1121592), (19805, 1055616), (21992, 950640), (22368, 934660), (23766, 879680), (27490, 760512), (27960, 747728), (29824, 700995), (31688, 659760), (32640, 640517), (32988, 633760), (37280, 560796), (39610, 527808), (41235, 507008), (43984, 475320), (44736, 467330), (46733, 447360), (47532, 439840), (54980, 380256), (55920, 373864), (59415, 351872), (63376, 329880), (65976, 316880), (74560, 280398), (79220, 263904), (82470, 253504), (87968, 237660), (89472, 233665), (93466, 223680), (95064, 219920), (109960, 190128), (111840, 186932), (118830, 175936), (126752, 164940), (131952, 158440), (140199, 149120)]