20545218720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1097501}}^1$

素因数の和:1097535

約数の個数: 144

約数和(自身を含む): 75503747592

約数和(自身を除く): 54958528872

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, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 18720, 1097501, 2195002, 3292503, 4390004, 5487505, 6585006, 8780008, 9877509, 10975010, 13170012, 14267513, 16462515, 17560016, 19755018, 21950020, 26340024, 28535026, 32925030, 35120032, 39510036, 42802539, 43900040, 49387545, 52680048, 57070052, 65850060, 71337565, 79020072, 85605078, 87800080, 98775090, 105360096, 114140104, 128407617, 131700120, 142675130, 158040144, 171210156, 175600160, 197550180, 214012695, 228280208, 256815234, 263400240, 285350260, 316080288, 342420312, 395100360, 428025390, 456560416, 513630468, 526800480, 570700520, 642038085, 684840624, 790200720, 856050780, 1027260936, 1141401040, 1284076170, 1369681248, 1580401440, 1712101560, 2054521872, 2282802080, 2568152340, 3424203120, 4109043744, 5136304680, 6848406240, 10272609360, 20545218720]

約数ペア:

[(1, 20545218720), (2, 10272609360), (3, 6848406240), (4, 5136304680), (5, 4109043744), (6, 3424203120), (8, 2568152340), (9, 2282802080), (10, 2054521872), (12, 1712101560), (13, 1580401440), (15, 1369681248), (16, 1284076170), (18, 1141401040), (20, 1027260936), (24, 856050780), (26, 790200720), (30, 684840624), (32, 642038085), (36, 570700520), (39, 526800480), (40, 513630468), (45, 456560416), (48, 428025390), (52, 395100360), (60, 342420312), (65, 316080288), (72, 285350260), (78, 263400240), (80, 256815234), (90, 228280208), (96, 214012695), (104, 197550180), (117, 175600160), (120, 171210156), (130, 158040144), (144, 142675130), (156, 131700120), (160, 128407617), (180, 114140104), (195, 105360096), (208, 98775090), (234, 87800080), (240, 85605078), (260, 79020072), (288, 71337565), (312, 65850060), (360, 57070052), (390, 52680048), (416, 49387545), (468, 43900040), (480, 42802539), (520, 39510036), (585, 35120032), (624, 32925030), (720, 28535026), (780, 26340024), (936, 21950020), (1040, 19755018), (1170, 17560016), (1248, 16462515), (1440, 14267513), (1560, 13170012), (1872, 10975010), (2080, 9877509), (2340, 8780008), (3120, 6585006), (3744, 5487505), (4680, 4390004), (6240, 3292503), (9360, 2195002), (18720, 1097501)]