20015204580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:696

約数の個数: 432

約数和(自身を含む): 74290245120

約数和(自身を除く): 54275040540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 79, 84, 90, 95, 105, 114, 126, 133, 140, 158, 171, 180, 190, 210, 228, 237, 252, 266, 285, 315, 316, 342, 361, 380, 395, 399, 420, 474, 532, 553, 557, 570, 630, 665, 684, 711, 722, 790, 798, 855, 948, 1083, 1106, 1114, 1140, 1185, 1197, 1260, 1330, 1422, 1444, 1501, 1580, 1596, 1659, 1671, 1710, 1805, 1995, 2166, 2212, 2228, 2370, 2394, 2527, 2660, 2765, 2785, 2844, 3002, 3249, 3318, 3342, 3420, 3555, 3610, 3899, 3990, 4332, 4503, 4740, 4788, 4977, 5013, 5054, 5415, 5530, 5570, 5985, 6004, 6498, 6636, 6684, 7110, 7220, 7505, 7581, 7798, 7980, 8295, 8355, 9006, 9954, 10026, 10108, 10507, 10583, 10830, 11060, 11140, 11697, 11970, 12635, 12996, 13509, 14220, 15010, 15162, 15596, 16245, 16590, 16710, 18012, 19495, 19908, 20052, 21014, 21166, 21660, 22515, 22743, 23394, 23940, 24885, 25065, 25270, 27018, 28519, 30020, 30324, 31521, 31749, 32490, 33180, 33420, 35091, 37905, 38990, 42028, 42332, 44003, 45030, 45486, 46788, 49770, 50130, 50540, 52535, 52915, 54036, 57038, 58485, 63042, 63498, 64980, 67545, 70182, 74081, 75810, 77980, 85557, 88006, 90060, 90972, 94563, 95247, 99540, 100260, 105070, 105830, 113715, 114076, 116970, 126084, 126996, 132009, 135090, 140364, 142595, 148162, 151620, 157605, 158745, 171114, 175455, 176012, 189126, 190494, 199633, 201077, 210140, 211660, 220015, 222243, 227430, 233940, 256671, 264018, 270180, 285190, 296324, 308021, 315210, 317490, 342228, 350910, 370405, 378252, 380988, 396027, 399266, 402154, 427785, 440030, 444486, 454860, 472815, 476235, 513342, 528036, 570380, 598899, 603231, 616042, 630420, 634980, 660045, 666729, 701820, 740810, 792054, 798532, 804308, 836057, 855570, 880060, 888972, 924063, 945630, 952470, 998165, 1005385, 1026684, 1111215, 1197798, 1206462, 1232084, 1283355, 1320090, 1333458, 1407539, 1481620, 1540105, 1584108, 1672114, 1711140, 1796697, 1809693, 1848126, 1891260, 1904940, 1980135, 1996330, 2010770, 2222430, 2395596, 2412924, 2508171, 2566710, 2640180, 2666916, 2772189, 2815078, 2994495, 3016155, 3080210, 3333645, 3344228, 3593394, 3619386, 3696252, 3960270, 3992660, 4021540, 4180285, 4222617, 4444860, 4620315, 5016342, 5133420, 5544378, 5630156, 5852399, 5988990, 6032310, 6160420, 6667290, 7037695, 7186788, 7238772, 7524513, 7920540, 8360570, 8445234, 8983485, 9048465, 9240630, 10032684, 11088756, 11704798, 11977980, 12064620, 12540855, 12667851, 13334580, 13860945, 14075390, 15049026, 15885083, 16721140, 16890468, 17557197, 17966970, 18096930, 18481260, 21113085, 23409596, 25081710, 25335702, 27721890, 28150780, 29261995, 30098052, 31770166, 35114394, 35933940, 36193860, 37622565, 42226170, 47655249, 50163420, 50671404, 52671591, 55443780, 58523990, 63339255, 63540332, 70228788, 75245130, 79425415, 84452340, 87785985, 95310498, 105343182, 111195581, 117047980, 126678510, 142965747, 150490260, 158850830, 175571970, 190620996, 210686364, 222391162, 238276245, 253357020, 263357955, 285931494, 317701660, 333586743, 351143940, 444782324, 476552490, 526715910, 555977905, 571862988, 667173486, 714828735, 953104980, 1000760229, 1053431820, 1111955810, 1334346972, 1429657470, 1667933715, 2001520458, 2223911620, 2859314940, 3335867430, 4003040916, 5003801145, 6671734860, 10007602290, 20015204580]

約数ペア:

[(1, 20015204580), (2, 10007602290), (3, 6671734860), (4, 5003801145), (5, 4003040916), (6, 3335867430), (7, 2859314940), (9, 2223911620), (10, 2001520458), (12, 1667933715), (14, 1429657470), (15, 1334346972), (18, 1111955810), (19, 1053431820), (20, 1000760229), (21, 953104980), (28, 714828735), (30, 667173486), (35, 571862988), (36, 555977905), (38, 526715910), (42, 476552490), (45, 444782324), (57, 351143940), (60, 333586743), (63, 317701660), (70, 285931494), (76, 263357955), (79, 253357020), (84, 238276245), (90, 222391162), (95, 210686364), (105, 190620996), (114, 175571970), (126, 158850830), (133, 150490260), (140, 142965747), (158, 126678510), (171, 117047980), (180, 111195581), (190, 105343182), (210, 95310498), (228, 87785985), (237, 84452340), (252, 79425415), (266, 75245130), (285, 70228788), (315, 63540332), (316, 63339255), (342, 58523990), (361, 55443780), (380, 52671591), (395, 50671404), (399, 50163420), (420, 47655249), (474, 42226170), (532, 37622565), (553, 36193860), (557, 35933940), (570, 35114394), (630, 31770166), (665, 30098052), (684, 29261995), (711, 28150780), (722, 27721890), (790, 25335702), (798, 25081710), (855, 23409596), (948, 21113085), (1083, 18481260), (1106, 18096930), (1114, 17966970), (1140, 17557197), (1185, 16890468), (1197, 16721140), (1260, 15885083), (1330, 15049026), (1422, 14075390), (1444, 13860945), (1501, 13334580), (1580, 12667851), (1596, 12540855), (1659, 12064620), (1671, 11977980), (1710, 11704798), (1805, 11088756), (1995, 10032684), (2166, 9240630), (2212, 9048465), (2228, 8983485), (2370, 8445234), (2394, 8360570), (2527, 7920540), (2660, 7524513), (2765, 7238772), (2785, 7186788), (2844, 7037695), (3002, 6667290), (3249, 6160420), (3318, 6032310), (3342, 5988990), (3420, 5852399), (3555, 5630156), (3610, 5544378), (3899, 5133420), (3990, 5016342), (4332, 4620315), (4503, 4444860), (4740, 4222617), (4788, 4180285), (4977, 4021540), (5013, 3992660), (5054, 3960270), (5415, 3696252), (5530, 3619386), (5570, 3593394), (5985, 3344228), (6004, 3333645), (6498, 3080210), (6636, 3016155), (6684, 2994495), (7110, 2815078), (7220, 2772189), (7505, 2666916), (7581, 2640180), (7798, 2566710), (7980, 2508171), (8295, 2412924), (8355, 2395596), (9006, 2222430), (9954, 2010770), (10026, 1996330), (10108, 1980135), (10507, 1904940), (10583, 1891260), (10830, 1848126), (11060, 1809693), (11140, 1796697), (11697, 1711140), (11970, 1672114), (12635, 1584108), (12996, 1540105), (13509, 1481620), (14220, 1407539), (15010, 1333458), (15162, 1320090), (15596, 1283355), (16245, 1232084), (16590, 1206462), (16710, 1197798), (18012, 1111215), (19495, 1026684), (19908, 1005385), (20052, 998165), (21014, 952470), (21166, 945630), (21660, 924063), (22515, 888972), (22743, 880060), (23394, 855570), (23940, 836057), (24885, 804308), (25065, 798532), (25270, 792054), (27018, 740810), (28519, 701820), (30020, 666729), (30324, 660045), (31521, 634980), (31749, 630420), (32490, 616042), (33180, 603231), (33420, 598899), (35091, 570380), (37905, 528036), (38990, 513342), (42028, 476235), (42332, 472815), (44003, 454860), (45030, 444486), (45486, 440030), (46788, 427785), (49770, 402154), (50130, 399266), (50540, 396027), (52535, 380988), (52915, 378252), (54036, 370405), (57038, 350910), (58485, 342228), (63042, 317490), (63498, 315210), (64980, 308021), (67545, 296324), (70182, 285190), (74081, 270180), (75810, 264018), (77980, 256671), (85557, 233940), (88006, 227430), (90060, 222243), (90972, 220015), (94563, 211660), (95247, 210140), (99540, 201077), (100260, 199633), (105070, 190494), (105830, 189126), (113715, 176012), (114076, 175455), (116970, 171114), (126084, 158745), (126996, 157605), (132009, 151620), (135090, 148162), (140364, 142595)]