20268731520

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{1172959}}^1$

素因数の和:1172987

約数の個数: 128

約数和(自身を含む): 71785152000

約数和(自身を除く): 51516420480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 1172959, 2345918, 3518877, 4691836, 5864795, 7037754, 9383672, 10556631, 11729590, 14075508, 17594385, 18767344, 21113262, 23459180, 28151016, 31669893, 35188770, 37534688, 42226524, 46918360, 52783155, 56302032, 63339786, 70377540, 75069376, 84453048, 93836720, 105566310, 112604064, 126679572, 140755080, 150138752, 158349465, 168906096, 187673440, 211132620, 225208128, 253359144, 281510160, 316698930, 337812192, 375346880, 422265240, 450416256, 506718288, 563020320, 633397860, 675624384, 750693760, 844530480, 1013436576, 1126040640, 1266795720, 1351248768, 1689060960, 2026873152, 2252081280, 2533591440, 3378121920, 4053746304, 5067182880, 6756243840, 10134365760, 20268731520]

約数ペア:

[(1, 20268731520), (2, 10134365760), (3, 6756243840), (4, 5067182880), (5, 4053746304), (6, 3378121920), (8, 2533591440), (9, 2252081280), (10, 2026873152), (12, 1689060960), (15, 1351248768), (16, 1266795720), (18, 1126040640), (20, 1013436576), (24, 844530480), (27, 750693760), (30, 675624384), (32, 633397860), (36, 563020320), (40, 506718288), (45, 450416256), (48, 422265240), (54, 375346880), (60, 337812192), (64, 316698930), (72, 281510160), (80, 253359144), (90, 225208128), (96, 211132620), (108, 187673440), (120, 168906096), (128, 158349465), (135, 150138752), (144, 140755080), (160, 126679572), (180, 112604064), (192, 105566310), (216, 93836720), (240, 84453048), (270, 75069376), (288, 70377540), (320, 63339786), (360, 56302032), (384, 52783155), (432, 46918360), (480, 42226524), (540, 37534688), (576, 35188770), (640, 31669893), (720, 28151016), (864, 23459180), (960, 21113262), (1080, 18767344), (1152, 17594385), (1440, 14075508), (1728, 11729590), (1920, 10556631), (2160, 9383672), (2880, 7037754), (3456, 5864795), (4320, 4691836), (5760, 3518877), (8640, 2345918), (17280, 1172959)]