20750400

素因数分解:

$2^6\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1$

素因数の和:170

約数の個数: 252

約数和(自身を含む): 81070704

約数和(自身を除く): 60320304

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 25, 30, 32, 33, 36, 40, 44, 45, 48, 50, 55, 60, 64, 66, 72, 75, 80, 88, 90, 96, 99, 100, 110, 120, 131, 132, 144, 150, 160, 165, 176, 180, 192, 198, 200, 220, 225, 240, 262, 264, 275, 288, 300, 320, 330, 352, 360, 393, 396, 400, 440, 450, 480, 495, 524, 528, 550, 576, 600, 655, 660, 704, 720, 786, 792, 800, 825, 880, 900, 960, 990, 1048, 1056, 1100, 1179, 1200, 1310, 1320, 1440, 1441, 1572, 1584, 1600, 1650, 1760, 1800, 1965, 1980, 2096, 2112, 2200, 2358, 2400, 2475, 2620, 2640, 2880, 2882, 3144, 3168, 3275, 3300, 3520, 3600, 3930, 3960, 4192, 4323, 4400, 4716, 4800, 4950, 5240, 5280, 5764, 5895, 6288, 6336, 6550, 6600, 7200, 7205, 7860, 7920, 8384, 8646, 8800, 9432, 9825, 9900, 10480, 10560, 11528, 11790, 12576, 12969, 13100, 13200, 14400, 14410, 15720, 15840, 17292, 17600, 18864, 19650, 19800, 20960, 21615, 23056, 23580, 25152, 25938, 26200, 26400, 28820, 29475, 31440, 31680, 34584, 36025, 37728, 39300, 39600, 41920, 43230, 46112, 47160, 51876, 52400, 52800, 57640, 58950, 62880, 64845, 69168, 72050, 75456, 78600, 79200, 86460, 92224, 94320, 103752, 104800, 108075, 115280, 117900, 125760, 129690, 138336, 144100, 157200, 158400, 172920, 188640, 207504, 209600, 216150, 230560, 235800, 259380, 276672, 288200, 314400, 324225, 345840, 377280, 415008, 432300, 461120, 471600, 518760, 576400, 628800, 648450, 691680, 830016, 864600, 943200, 1037520, 1152800, 1296900, 1383360, 1729200, 1886400, 2075040, 2305600, 2593800, 3458400, 4150080, 5187600, 6916800, 10375200, 20750400]

約数ペア:

[(1, 20750400), (2, 10375200), (3, 6916800), (4, 5187600), (5, 4150080), (6, 3458400), (8, 2593800), (9, 2305600), (10, 2075040), (11, 1886400), (12, 1729200), (15, 1383360), (16, 1296900), (18, 1152800), (20, 1037520), (22, 943200), (24, 864600), (25, 830016), (30, 691680), (32, 648450), (33, 628800), (36, 576400), (40, 518760), (44, 471600), (45, 461120), (48, 432300), (50, 415008), (55, 377280), (60, 345840), (64, 324225), (66, 314400), (72, 288200), (75, 276672), (80, 259380), (88, 235800), (90, 230560), (96, 216150), (99, 209600), (100, 207504), (110, 188640), (120, 172920), (131, 158400), (132, 157200), (144, 144100), (150, 138336), (160, 129690), (165, 125760), (176, 117900), (180, 115280), (192, 108075), (198, 104800), (200, 103752), (220, 94320), (225, 92224), (240, 86460), (262, 79200), (264, 78600), (275, 75456), (288, 72050), (300, 69168), (320, 64845), (330, 62880), (352, 58950), (360, 57640), (393, 52800), (396, 52400), (400, 51876), (440, 47160), (450, 46112), (480, 43230), (495, 41920), (524, 39600), (528, 39300), (550, 37728), (576, 36025), (600, 34584), (655, 31680), (660, 31440), (704, 29475), (720, 28820), (786, 26400), (792, 26200), (800, 25938), (825, 25152), (880, 23580), (900, 23056), (960, 21615), (990, 20960), (1048, 19800), (1056, 19650), (1100, 18864), (1179, 17600), (1200, 17292), (1310, 15840), (1320, 15720), (1440, 14410), (1441, 14400), (1572, 13200), (1584, 13100), (1600, 12969), (1650, 12576), (1760, 11790), (1800, 11528), (1965, 10560), (1980, 10480), (2096, 9900), (2112, 9825), (2200, 9432), (2358, 8800), (2400, 8646), (2475, 8384), (2620, 7920), (2640, 7860), (2880, 7205), (2882, 7200), (3144, 6600), (3168, 6550), (3275, 6336), (3300, 6288), (3520, 5895), (3600, 5764), (3930, 5280), (3960, 5240), (4192, 4950), (4323, 4800), (4400, 4716)]