20483520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1123}}^1$

素因数の和:1162

約数の個数: 112

約数和(自身を含む): 68519040

約数和(自身を除く): 48035520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 456, 480, 570, 608, 760, 912, 960, 1123, 1140, 1216, 1520, 1824, 2246, 2280, 3040, 3369, 3648, 4492, 4560, 5615, 6080, 6738, 8984, 9120, 11230, 13476, 16845, 17968, 18240, 21337, 22460, 26952, 33690, 35936, 42674, 44920, 53904, 64011, 67380, 71872, 85348, 89840, 106685, 107808, 128022, 134760, 170696, 179680, 213370, 215616, 256044, 269520, 320055, 341392, 359360, 426740, 512088, 539040, 640110, 682784, 853480, 1024176, 1078080, 1280220, 1365568, 1706960, 2048352, 2560440, 3413920, 4096704, 5120880, 6827840, 10241760, 20483520]

約数ペア:

[(1, 20483520), (2, 10241760), (3, 6827840), (4, 5120880), (5, 4096704), (6, 3413920), (8, 2560440), (10, 2048352), (12, 1706960), (15, 1365568), (16, 1280220), (19, 1078080), (20, 1024176), (24, 853480), (30, 682784), (32, 640110), (38, 539040), (40, 512088), (48, 426740), (57, 359360), (60, 341392), (64, 320055), (76, 269520), (80, 256044), (95, 215616), (96, 213370), (114, 179680), (120, 170696), (152, 134760), (160, 128022), (190, 107808), (192, 106685), (228, 89840), (240, 85348), (285, 71872), (304, 67380), (320, 64011), (380, 53904), (456, 44920), (480, 42674), (570, 35936), (608, 33690), (760, 26952), (912, 22460), (960, 21337), (1123, 18240), (1140, 17968), (1216, 16845), (1520, 13476), (1824, 11230), (2246, 9120), (2280, 8984), (3040, 6738), (3369, 6080), (3648, 5615), (4492, 4560)]