20807327520

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{688073}}^1$

素因数の和:688104

約数の個数: 192

約数和(自身を含む): 83229431040

約数和(自身を除く): 62422103520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 30240, 688073, 1376146, 2064219, 2752292, 3440365, 4128438, 4816511, 5504584, 6192657, 6880730, 8256876, 9633022, 10321095, 11009168, 12385314, 13761460, 14449533, 16513752, 18577971, 19266044, 20642190, 22018336, 24082555, 24770628, 27522920, 28899066, 30963285, 33027504, 37155942, 38532088, 41284380, 43348599, 48165110, 49541256, 55045840, 57798132, 61926570, 66055008, 72247665, 74311884, 77064176, 82568760, 86697198, 92889855, 96330220, 99082512, 110091680, 115596264, 123853140, 130045797, 144495330, 148623768, 154128352, 165137520, 173394396, 185779710, 192660440, 198165024, 216742995, 231192528, 247706280, 260091594, 288990660, 297247536, 330275040, 346788792, 371559420, 385320880, 433485990, 462385056, 495412560, 520183188, 577981320, 594495072, 650228985, 693577584, 743118840, 770641760, 866971980, 990825120, 1040366376, 1155962640, 1300457970, 1387155168, 1486237680, 1733943960, 2080732752, 2311925280, 2600915940, 2972475360, 3467887920, 4161465504, 5201831880, 6935775840, 10403663760, 20807327520]

約数ペア:

[(1, 20807327520), (2, 10403663760), (3, 6935775840), (4, 5201831880), (5, 4161465504), (6, 3467887920), (7, 2972475360), (8, 2600915940), (9, 2311925280), (10, 2080732752), (12, 1733943960), (14, 1486237680), (15, 1387155168), (16, 1300457970), (18, 1155962640), (20, 1040366376), (21, 990825120), (24, 866971980), (27, 770641760), (28, 743118840), (30, 693577584), (32, 650228985), (35, 594495072), (36, 577981320), (40, 520183188), (42, 495412560), (45, 462385056), (48, 433485990), (54, 385320880), (56, 371559420), (60, 346788792), (63, 330275040), (70, 297247536), (72, 288990660), (80, 260091594), (84, 247706280), (90, 231192528), (96, 216742995), (105, 198165024), (108, 192660440), (112, 185779710), (120, 173394396), (126, 165137520), (135, 154128352), (140, 148623768), (144, 144495330), (160, 130045797), (168, 123853140), (180, 115596264), (189, 110091680), (210, 99082512), (216, 96330220), (224, 92889855), (240, 86697198), (252, 82568760), (270, 77064176), (280, 74311884), (288, 72247665), (315, 66055008), (336, 61926570), (360, 57798132), (378, 55045840), (420, 49541256), (432, 48165110), (480, 43348599), (504, 41284380), (540, 38532088), (560, 37155942), (630, 33027504), (672, 30963285), (720, 28899066), (756, 27522920), (840, 24770628), (864, 24082555), (945, 22018336), (1008, 20642190), (1080, 19266044), (1120, 18577971), (1260, 16513752), (1440, 14449533), (1512, 13761460), (1680, 12385314), (1890, 11009168), (2016, 10321095), (2160, 9633022), (2520, 8256876), (3024, 6880730), (3360, 6192657), (3780, 5504584), (4320, 4816511), (5040, 4128438), (6048, 3440365), (7560, 2752292), (10080, 2064219), (15120, 1376146), (30240, 688073)]