20651401980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{463}}^1\times {\mathrm{2503}}^1$

素因数の和:2998

約数の個数: 240

約数和(自身を含む): 70854626304

約数和(自身を除く): 50203224324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 270, 297, 324, 330, 396, 405, 463, 495, 540, 594, 660, 810, 891, 926, 990, 1188, 1389, 1485, 1620, 1782, 1852, 1980, 2315, 2503, 2778, 2970, 3564, 4167, 4455, 4630, 5006, 5093, 5556, 5940, 6945, 7509, 8334, 8910, 9260, 10012, 10186, 12501, 12515, 13890, 15018, 15279, 16668, 17820, 20372, 20835, 22527, 25002, 25030, 25465, 27533, 27780, 30036, 30558, 37503, 37545, 41670, 45054, 45837, 50004, 50060, 50930, 55066, 61116, 62505, 67581, 75006, 75090, 76395, 82599, 83340, 90108, 91674, 101860, 110132, 112635, 125010, 135162, 137511, 137665, 150012, 150180, 152790, 165198, 183348, 187515, 202743, 225270, 229185, 247797, 250020, 270324, 275022, 275330, 305580, 330396, 337905, 375030, 405486, 412533, 412995, 450540, 458370, 495594, 550044, 550660, 675810, 687555, 743391, 750060, 810972, 825066, 825990, 916740, 991188, 1013715, 1158889, 1238985, 1351620, 1375110, 1486782, 1650132, 1651980, 2027430, 2062665, 2230173, 2317778, 2477970, 2750220, 2973564, 3476667, 3716955, 4054860, 4125330, 4460346, 4635556, 4955940, 5794445, 6953334, 7433910, 8250660, 8920692, 10430001, 11150865, 11588890, 12747779, 13906668, 14867820, 17383335, 20860002, 22301730, 23177780, 25495558, 31290003, 34766670, 38243337, 41720004, 44603460, 50991116, 52150005, 62580006, 63738895, 69533340, 76486674, 93870009, 104300010, 114730011, 125160012, 127477790, 152973348, 156450015, 187740018, 191216685, 208600020, 229460022, 254955580, 312900030, 344190033, 375480036, 382433370, 458920044, 469350045, 573650055, 625800060, 688380066, 764866740, 938700090, 1032570099, 1147300110, 1376760132, 1720950165, 1877400180, 2065140198, 2294600220, 3441900330, 4130280396, 5162850495, 6883800660, 10325700990, 20651401980]

約数ペア:

[(1, 20651401980), (2, 10325700990), (3, 6883800660), (4, 5162850495), (5, 4130280396), (6, 3441900330), (9, 2294600220), (10, 2065140198), (11, 1877400180), (12, 1720950165), (15, 1376760132), (18, 1147300110), (20, 1032570099), (22, 938700090), (27, 764866740), (30, 688380066), (33, 625800060), (36, 573650055), (44, 469350045), (45, 458920044), (54, 382433370), (55, 375480036), (60, 344190033), (66, 312900030), (81, 254955580), (90, 229460022), (99, 208600020), (108, 191216685), (110, 187740018), (132, 156450015), (135, 152973348), (162, 127477790), (165, 125160012), (180, 114730011), (198, 104300010), (220, 93870009), (270, 76486674), (297, 69533340), (324, 63738895), (330, 62580006), (396, 52150005), (405, 50991116), (463, 44603460), (495, 41720004), (540, 38243337), (594, 34766670), (660, 31290003), (810, 25495558), (891, 23177780), (926, 22301730), (990, 20860002), (1188, 17383335), (1389, 14867820), (1485, 13906668), (1620, 12747779), (1782, 11588890), (1852, 11150865), (1980, 10430001), (2315, 8920692), (2503, 8250660), (2778, 7433910), (2970, 6953334), (3564, 5794445), (4167, 4955940), (4455, 4635556), (4630, 4460346), (5006, 4125330), (5093, 4054860), (5556, 3716955), (5940, 3476667), (6945, 2973564), (7509, 2750220), (8334, 2477970), (8910, 2317778), (9260, 2230173), (10012, 2062665), (10186, 2027430), (12501, 1651980), (12515, 1650132), (13890, 1486782), (15018, 1375110), (15279, 1351620), (16668, 1238985), (17820, 1158889), (20372, 1013715), (20835, 991188), (22527, 916740), (25002, 825990), (25030, 825066), (25465, 810972), (27533, 750060), (27780, 743391), (30036, 687555), (30558, 675810), (37503, 550660), (37545, 550044), (41670, 495594), (45054, 458370), (45837, 450540), (50004, 412995), (50060, 412533), (50930, 405486), (55066, 375030), (61116, 337905), (62505, 330396), (67581, 305580), (75006, 275330), (75090, 275022), (76395, 270324), (82599, 250020), (83340, 247797), (90108, 229185), (91674, 225270), (101860, 202743), (110132, 187515), (112635, 183348), (125010, 165198), (135162, 152790), (137511, 150180), (137665, 150012)]