20223280

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1$

素因数の和:112

約数の個数: 160

約数和(自身を含む): 60710400

約数和(自身を除く): 40487120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 67, 70, 77, 80, 88, 98, 110, 112, 134, 140, 154, 176, 196, 220, 245, 268, 280, 308, 335, 343, 385, 392, 440, 469, 490, 536, 539, 560, 616, 670, 686, 737, 770, 784, 880, 938, 980, 1072, 1078, 1232, 1340, 1372, 1474, 1540, 1715, 1876, 1960, 2156, 2345, 2680, 2695, 2744, 2948, 3080, 3283, 3430, 3685, 3752, 3773, 3920, 4312, 4690, 5159, 5360, 5390, 5488, 5896, 6160, 6566, 6860, 7370, 7504, 7546, 8624, 9380, 10318, 10780, 11792, 13132, 13720, 14740, 15092, 16415, 18760, 18865, 20636, 21560, 22981, 25795, 26264, 27440, 29480, 30184, 32830, 36113, 37520, 37730, 41272, 43120, 45962, 51590, 52528, 58960, 60368, 65660, 72226, 75460, 82544, 91924, 103180, 114905, 131320, 144452, 150920, 180565, 183848, 206360, 229810, 252791, 262640, 288904, 301840, 361130, 367696, 412720, 459620, 505582, 577808, 722260, 919240, 1011164, 1263955, 1444520, 1838480, 2022328, 2527910, 2889040, 4044656, 5055820, 10111640, 20223280]

約数ペア:

[(1, 20223280), (2, 10111640), (4, 5055820), (5, 4044656), (7, 2889040), (8, 2527910), (10, 2022328), (11, 1838480), (14, 1444520), (16, 1263955), (20, 1011164), (22, 919240), (28, 722260), (35, 577808), (40, 505582), (44, 459620), (49, 412720), (55, 367696), (56, 361130), (67, 301840), (70, 288904), (77, 262640), (80, 252791), (88, 229810), (98, 206360), (110, 183848), (112, 180565), (134, 150920), (140, 144452), (154, 131320), (176, 114905), (196, 103180), (220, 91924), (245, 82544), (268, 75460), (280, 72226), (308, 65660), (335, 60368), (343, 58960), (385, 52528), (392, 51590), (440, 45962), (469, 43120), (490, 41272), (536, 37730), (539, 37520), (560, 36113), (616, 32830), (670, 30184), (686, 29480), (737, 27440), (770, 26264), (784, 25795), (880, 22981), (938, 21560), (980, 20636), (1072, 18865), (1078, 18760), (1232, 16415), (1340, 15092), (1372, 14740), (1474, 13720), (1540, 13132), (1715, 11792), (1876, 10780), (1960, 10318), (2156, 9380), (2345, 8624), (2680, 7546), (2695, 7504), (2744, 7370), (2948, 6860), (3080, 6566), (3283, 6160), (3430, 5896), (3685, 5488), (3752, 5390), (3773, 5360), (3920, 5159), (4312, 4690)]