20940179520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1677899}}^1$

素因数の和:1677932

約数の個数: 112

約数和(自身を含む): 71599348800

約数和(自身を除く): 50659169280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 1677899, 3355798, 5033697, 6711596, 8389495, 10067394, 13423192, 16778990, 20134788, 21812687, 25168485, 26846384, 33557980, 40269576, 43625374, 50336970, 53692768, 65438061, 67115960, 80539152, 87250748, 100673940, 107385536, 109063435, 130876122, 134231920, 161078304, 174501496, 201347880, 218126870, 261752244, 268463840, 322156608, 327190305, 349002992, 402695760, 436253740, 523504488, 536927680, 654380610, 698005984, 805391520, 872507480, 1047008976, 1308761220, 1396011968, 1610783040, 1745014960, 2094017952, 2617522440, 3490029920, 4188035904, 5235044880, 6980059840, 10470089760, 20940179520]

約数ペア:

[(1, 20940179520), (2, 10470089760), (3, 6980059840), (4, 5235044880), (5, 4188035904), (6, 3490029920), (8, 2617522440), (10, 2094017952), (12, 1745014960), (13, 1610783040), (15, 1396011968), (16, 1308761220), (20, 1047008976), (24, 872507480), (26, 805391520), (30, 698005984), (32, 654380610), (39, 536927680), (40, 523504488), (48, 436253740), (52, 402695760), (60, 349002992), (64, 327190305), (65, 322156608), (78, 268463840), (80, 261752244), (96, 218126870), (104, 201347880), (120, 174501496), (130, 161078304), (156, 134231920), (160, 130876122), (192, 109063435), (195, 107385536), (208, 100673940), (240, 87250748), (260, 80539152), (312, 67115960), (320, 65438061), (390, 53692768), (416, 50336970), (480, 43625374), (520, 40269576), (624, 33557980), (780, 26846384), (832, 25168485), (960, 21812687), (1040, 20134788), (1248, 16778990), (1560, 13423192), (2080, 10067394), (2496, 8389495), (3120, 6711596), (4160, 5033697), (6240, 3355798), (12480, 1677899)]