20165886720

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{250073}}^1$

素因数の和:250107

約数の個数: 216

約数和(自身を含む): 79739595936

約数和(自身を除く): 59573709216

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 8064, 8960, 10080, 11520, 13440, 16128, 20160, 26880, 40320, 80640, 250073, 500146, 750219, 1000292, 1250365, 1500438, 1750511, 2000584, 2250657, 2500730, 3000876, 3501022, 3751095, 4001168, 4501314, 5001460, 5251533, 6001752, 7002044, 7502190, 8002336, 8752555, 9002628, 10002920, 10503066, 11253285, 12003504, 14004088, 15004380, 15754599, 16004672, 17505110, 18005256, 20005840, 21006132, 22506570, 24007008, 26257665, 28008176, 30008760, 31509198, 32009344, 35010220, 36010512, 40011680, 42012264, 45013140, 48014016, 52515330, 56016352, 60017520, 63018396, 64018688, 70020440, 72021024, 78772995, 80023360, 84024528, 90026280, 96028032, 105030660, 112032704, 120035040, 126036792, 140040880, 144042048, 157545990, 160046720, 168049056, 180052560, 192056064, 210061320, 224065408, 240070080, 252073584, 280081760, 288084096, 315091980, 320093440, 336098112, 360105120, 420122640, 448130816, 480140160, 504147168, 560163520, 576168192, 630183960, 672196224, 720210240, 840245280, 960280320, 1008294336, 1120327040, 1260367920, 1344392448, 1440420480, 1680490560, 2016588672, 2240654080, 2520735840, 2880840960, 3360981120, 4033177344, 5041471680, 6721962240, 10082943360, 20165886720]

約数ペア:

[(1, 20165886720), (2, 10082943360), (3, 6721962240), (4, 5041471680), (5, 4033177344), (6, 3360981120), (7, 2880840960), (8, 2520735840), (9, 2240654080), (10, 2016588672), (12, 1680490560), (14, 1440420480), (15, 1344392448), (16, 1260367920), (18, 1120327040), (20, 1008294336), (21, 960280320), (24, 840245280), (28, 720210240), (30, 672196224), (32, 630183960), (35, 576168192), (36, 560163520), (40, 504147168), (42, 480140160), (45, 448130816), (48, 420122640), (56, 360105120), (60, 336098112), (63, 320093440), (64, 315091980), (70, 288084096), (72, 280081760), (80, 252073584), (84, 240070080), (90, 224065408), (96, 210061320), (105, 192056064), (112, 180052560), (120, 168049056), (126, 160046720), (128, 157545990), (140, 144042048), (144, 140040880), (160, 126036792), (168, 120035040), (180, 112032704), (192, 105030660), (210, 96028032), (224, 90026280), (240, 84024528), (252, 80023360), (256, 78772995), (280, 72021024), (288, 70020440), (315, 64018688), (320, 63018396), (336, 60017520), (360, 56016352), (384, 52515330), (420, 48014016), (448, 45013140), (480, 42012264), (504, 40011680), (560, 36010512), (576, 35010220), (630, 32009344), (640, 31509198), (672, 30008760), (720, 28008176), (768, 26257665), (840, 24007008), (896, 22506570), (960, 21006132), (1008, 20005840), (1120, 18005256), (1152, 17505110), (1260, 16004672), (1280, 15754599), (1344, 15004380), (1440, 14004088), (1680, 12003504), (1792, 11253285), (1920, 10503066), (2016, 10002920), (2240, 9002628), (2304, 8752555), (2520, 8002336), (2688, 7502190), (2880, 7002044), (3360, 6001752), (3840, 5251533), (4032, 5001460), (4480, 4501314), (5040, 4001168), (5376, 3751095), (5760, 3501022), (6720, 3000876), (8064, 2500730), (8960, 2250657), (10080, 2000584), (11520, 1750511), (13440, 1500438), (16128, 1250365), (20160, 1000292), (26880, 750219), (40320, 500146), (80640, 250073)]