20249008780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{13}}^2\times {\mathrm{643}}^1$

素因数の和:718

約数の個数: 288

約数和(自身を含む): 57971870208

約数和(自身を除く): 37722861428

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 121, 130, 140, 143, 154, 169, 182, 220, 242, 260, 286, 308, 338, 364, 385, 455, 484, 572, 605, 643, 676, 715, 770, 845, 847, 910, 1001, 1183, 1210, 1286, 1331, 1430, 1540, 1573, 1690, 1694, 1820, 1859, 2002, 2366, 2420, 2572, 2662, 2860, 3146, 3215, 3380, 3388, 3718, 4004, 4235, 4501, 4732, 5005, 5324, 5915, 6292, 6430, 6655, 7073, 7436, 7865, 8359, 8470, 9002, 9295, 9317, 10010, 11011, 11830, 12860, 13013, 13310, 14146, 15730, 16718, 16940, 17303, 18004, 18590, 18634, 20020, 20449, 22022, 22505, 23660, 26026, 26620, 28292, 31460, 33436, 34606, 35365, 37180, 37268, 40898, 41795, 44044, 45010, 46585, 49511, 52052, 55055, 58513, 65065, 69212, 70730, 77803, 81796, 83590, 86515, 90020, 91949, 93170, 99022, 102245, 108667, 110110, 117026, 121121, 130130, 141460, 143143, 155606, 167180, 173030, 183898, 186340, 198044, 204490, 217334, 220220, 224939, 234052, 242242, 247555, 260260, 286286, 292565, 311212, 346060, 367796, 389015, 408980, 434668, 449878, 459745, 484484, 495110, 543335, 544621, 572572, 585130, 605605, 643643, 715715, 760669, 778030, 855833, 899756, 919490, 990220, 1011439, 1086670, 1089242, 1124695, 1170260, 1195337, 1211210, 1287286, 1431430, 1521338, 1556060, 1574573, 1711666, 1838980, 2022878, 2173340, 2178484, 2249390, 2390674, 2422420, 2574572, 2723105, 2862860, 3042676, 3149146, 3218215, 3423332, 3803345, 4045756, 4279165, 4498780, 4781348, 5057195, 5446210, 5976685, 5990831, 6298292, 6436430, 7080073, 7606690, 7872865, 8367359, 8558330, 10114390, 10892420, 11125829, 11953370, 11981662, 12872860, 13148707, 14160146, 15213380, 15745730, 16734718, 17116660, 20228780, 22251658, 23906740, 23963324, 26297414, 28320292, 29954155, 31491460, 33469436, 35400365, 41836795, 44503316, 52594828, 55629145, 59908310, 65743535, 70800730, 77880803, 83673590, 92040949, 111258290, 119816620, 131487070, 141601460, 144635777, 155761606, 167347180, 184081898, 222516580, 262974140, 289271554, 311523212, 368163796, 389404015, 460204745, 578543108, 723178885, 778808030, 920409490, 1012450439, 1446357770, 1557616060, 1840818980, 2024900878, 2892715540, 4049801756, 5062252195, 10124504390, 20249008780]

約数ペア:

[(1, 20249008780), (2, 10124504390), (4, 5062252195), (5, 4049801756), (7, 2892715540), (10, 2024900878), (11, 1840818980), (13, 1557616060), (14, 1446357770), (20, 1012450439), (22, 920409490), (26, 778808030), (28, 723178885), (35, 578543108), (44, 460204745), (52, 389404015), (55, 368163796), (65, 311523212), (70, 289271554), (77, 262974140), (91, 222516580), (110, 184081898), (121, 167347180), (130, 155761606), (140, 144635777), (143, 141601460), (154, 131487070), (169, 119816620), (182, 111258290), (220, 92040949), (242, 83673590), (260, 77880803), (286, 70800730), (308, 65743535), (338, 59908310), (364, 55629145), (385, 52594828), (455, 44503316), (484, 41836795), (572, 35400365), (605, 33469436), (643, 31491460), (676, 29954155), (715, 28320292), (770, 26297414), (845, 23963324), (847, 23906740), (910, 22251658), (1001, 20228780), (1183, 17116660), (1210, 16734718), (1286, 15745730), (1331, 15213380), (1430, 14160146), (1540, 13148707), (1573, 12872860), (1690, 11981662), (1694, 11953370), (1820, 11125829), (1859, 10892420), (2002, 10114390), (2366, 8558330), (2420, 8367359), (2572, 7872865), (2662, 7606690), (2860, 7080073), (3146, 6436430), (3215, 6298292), (3380, 5990831), (3388, 5976685), (3718, 5446210), (4004, 5057195), (4235, 4781348), (4501, 4498780), (4732, 4279165), (5005, 4045756), (5324, 3803345), (5915, 3423332), (6292, 3218215), (6430, 3149146), (6655, 3042676), (7073, 2862860), (7436, 2723105), (7865, 2574572), (8359, 2422420), (8470, 2390674), (9002, 2249390), (9295, 2178484), (9317, 2173340), (10010, 2022878), (11011, 1838980), (11830, 1711666), (12860, 1574573), (13013, 1556060), (13310, 1521338), (14146, 1431430), (15730, 1287286), (16718, 1211210), (16940, 1195337), (17303, 1170260), (18004, 1124695), (18590, 1089242), (18634, 1086670), (20020, 1011439), (20449, 990220), (22022, 919490), (22505, 899756), (23660, 855833), (26026, 778030), (26620, 760669), (28292, 715715), (31460, 643643), (33436, 605605), (34606, 585130), (35365, 572572), (37180, 544621), (37268, 543335), (40898, 495110), (41795, 484484), (44044, 459745), (45010, 449878), (46585, 434668), (49511, 408980), (52052, 389015), (55055, 367796), (58513, 346060), (65065, 311212), (69212, 292565), (70730, 286286), (77803, 260260), (81796, 247555), (83590, 242242), (86515, 234052), (90020, 224939), (91949, 220220), (93170, 217334), (99022, 204490), (102245, 198044), (108667, 186340), (110110, 183898), (117026, 173030), (121121, 167180), (130130, 155606), (141460, 143143)]