20700051840

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{276443}}^1$

素因数の和:276481

約数の個数: 192

約数和(自身を含む): 76978596240

約数和(自身を除く): 56278544400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 520, 576, 585, 624, 640, 720, 780, 832, 936, 960, 1040, 1152, 1170, 1248, 1440, 1560, 1664, 1872, 1920, 2080, 2340, 2496, 2880, 3120, 3744, 4160, 4680, 4992, 5760, 6240, 7488, 8320, 9360, 12480, 14976, 18720, 24960, 37440, 74880, 276443, 552886, 829329, 1105772, 1382215, 1658658, 2211544, 2487987, 2764430, 3317316, 3593759, 4146645, 4423088, 4975974, 5528860, 6634632, 7187518, 8293290, 8846176, 9951948, 10781277, 11057720, 12439935, 13269264, 14375036, 16586580, 17692352, 17968795, 19903896, 21562554, 22115440, 24879870, 26538528, 28750072, 32343831, 33173160, 35384704, 35937590, 39807792, 43125108, 44230880, 49759740, 53077056, 53906385, 57500144, 64687662, 66346320, 71875180, 79615584, 86250216, 88461760, 99519480, 106154112, 107812770, 115000288, 129375324, 132692640, 143750360, 159231168, 161719155, 172500432, 176923520, 199038960, 215625540, 230000576, 258750648, 265385280, 287500720, 318462336, 323438310, 345000864, 398077920, 431251080, 460001152, 517501296, 530770560, 575001440, 646876620, 690001728, 796155840, 862502160, 1035002592, 1150002880, 1293753240, 1380003456, 1592311680, 1725004320, 2070005184, 2300005760, 2587506480, 3450008640, 4140010368, 5175012960, 6900017280, 10350025920, 20700051840]

約数ペア:

[(1, 20700051840), (2, 10350025920), (3, 6900017280), (4, 5175012960), (5, 4140010368), (6, 3450008640), (8, 2587506480), (9, 2300005760), (10, 2070005184), (12, 1725004320), (13, 1592311680), (15, 1380003456), (16, 1293753240), (18, 1150002880), (20, 1035002592), (24, 862502160), (26, 796155840), (30, 690001728), (32, 646876620), (36, 575001440), (39, 530770560), (40, 517501296), (45, 460001152), (48, 431251080), (52, 398077920), (60, 345000864), (64, 323438310), (65, 318462336), (72, 287500720), (78, 265385280), (80, 258750648), (90, 230000576), (96, 215625540), (104, 199038960), (117, 176923520), (120, 172500432), (128, 161719155), (130, 159231168), (144, 143750360), (156, 132692640), (160, 129375324), (180, 115000288), (192, 107812770), (195, 106154112), (208, 99519480), (234, 88461760), (240, 86250216), (260, 79615584), (288, 71875180), (312, 66346320), (320, 64687662), (360, 57500144), (384, 53906385), (390, 53077056), (416, 49759740), (468, 44230880), (480, 43125108), (520, 39807792), (576, 35937590), (585, 35384704), (624, 33173160), (640, 32343831), (720, 28750072), (780, 26538528), (832, 24879870), (936, 22115440), (960, 21562554), (1040, 19903896), (1152, 17968795), (1170, 17692352), (1248, 16586580), (1440, 14375036), (1560, 13269264), (1664, 12439935), (1872, 11057720), (1920, 10781277), (2080, 9951948), (2340, 8846176), (2496, 8293290), (2880, 7187518), (3120, 6634632), (3744, 5528860), (4160, 4975974), (4680, 4423088), (4992, 4146645), (5760, 3593759), (6240, 3317316), (7488, 2764430), (8320, 2487987), (9360, 2211544), (12480, 1658658), (14976, 1382215), (18720, 1105772), (24960, 829329), (37440, 552886), (74880, 276443)]