20519486520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:455

約数の個数: 384

約数和(自身を含む): 69619875840

約数和(自身を除く): 49100389320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 127, 130, 155, 156, 169, 186, 195, 248, 254, 257, 260, 310, 312, 338, 372, 381, 390, 403, 465, 507, 508, 514, 520, 620, 635, 676, 744, 762, 771, 780, 806, 845, 930, 1014, 1016, 1028, 1209, 1240, 1270, 1285, 1352, 1524, 1542, 1560, 1612, 1651, 1690, 1860, 1905, 2015, 2028, 2056, 2418, 2535, 2540, 2570, 3048, 3084, 3224, 3302, 3341, 3380, 3720, 3810, 3855, 3937, 4030, 4056, 4836, 4953, 5070, 5080, 5140, 5239, 6045, 6168, 6604, 6682, 6760, 7620, 7710, 7874, 7967, 8060, 8255, 9672, 9906, 10023, 10140, 10280, 10478, 11811, 12090, 13208, 13364, 15240, 15420, 15717, 15748, 15934, 16120, 16510, 16705, 19685, 19812, 20046, 20280, 20956, 21463, 23622, 23901, 24180, 24765, 26195, 26728, 30840, 31434, 31496, 31868, 32639, 33020, 33410, 39370, 39624, 39835, 40092, 41912, 42926, 43433, 47244, 47802, 48360, 49530, 50115, 51181, 52390, 59055, 62868, 63736, 64389, 65278, 66040, 66820, 78585, 78740, 79670, 80184, 85852, 86866, 94488, 95604, 97917, 99060, 100230, 102362, 103571, 104780, 107315, 118110, 119505, 125736, 128778, 130299, 130556, 133640, 153543, 157170, 157480, 159340, 163195, 171704, 173732, 191208, 195834, 198120, 200460, 204724, 207142, 209560, 214630, 217165, 236220, 239010, 255905, 257556, 260598, 261112, 307086, 310713, 314340, 318680, 321945, 326390, 347464, 391668, 400920, 409448, 414284, 424307, 429260, 434330, 472440, 478020, 489585, 511810, 515112, 517855, 521196, 614172, 621426, 628680, 643890, 651495, 652780, 665353, 767715, 783336, 828568, 848614, 858520, 868660, 956040, 979170, 1011809, 1023620, 1035710, 1042392, 1228344, 1242852, 1272921, 1287780, 1302990, 1305560, 1330706, 1346423, 1535430, 1553565, 1697228, 1737320, 1958340, 1996059, 2023618, 2047240, 2071420, 2121535, 2485704, 2545842, 2575560, 2605980, 2661412, 2692846, 3035427, 3070860, 3107130, 3326765, 3394456, 3916680, 3992118, 4039269, 4047236, 4142840, 4243070, 5059045, 5091684, 5211960, 5322824, 5385692, 5515991, 6070854, 6141720, 6214260, 6364605, 6653530, 6732115, 7984236, 8078538, 8094472, 8486140, 9980295, 10118090, 10183368, 10771384, 11031982, 12141708, 12428520, 12729210, 13153517, 13307060, 13464230, 15177135, 15968472, 16157076, 16547973, 16972280, 19960590, 20196345, 20236180, 22063964, 24283416, 25458420, 26307034, 26614120, 26928460, 27579955, 30354270, 32314152, 33095946, 39460551, 39921180, 40392690, 40472360, 44127928, 50916840, 52614068, 53856920, 55159910, 60708540, 65767585, 66191892, 78921102, 79842360, 80785380, 82739865, 105228136, 110319820, 121417080, 131535170, 132383784, 157842204, 161570760, 165479730, 170995721, 197302755, 220639640, 263070340, 315684408, 330959460, 341991442, 394605510, 512987163, 526140680, 661918920, 683982884, 789211020, 854978605, 1025974326, 1367965768, 1578422040, 1709957210, 2051948652, 2564935815, 3419914420, 4103897304, 5129871630, 6839828840, 10259743260, 20519486520]

約数ペア:

[(1, 20519486520), (2, 10259743260), (3, 6839828840), (4, 5129871630), (5, 4103897304), (6, 3419914420), (8, 2564935815), (10, 2051948652), (12, 1709957210), (13, 1578422040), (15, 1367965768), (20, 1025974326), (24, 854978605), (26, 789211020), (30, 683982884), (31, 661918920), (39, 526140680), (40, 512987163), (52, 394605510), (60, 341991442), (62, 330959460), (65, 315684408), (78, 263070340), (93, 220639640), (104, 197302755), (120, 170995721), (124, 165479730), (127, 161570760), (130, 157842204), (155, 132383784), (156, 131535170), (169, 121417080), (186, 110319820), (195, 105228136), (248, 82739865), (254, 80785380), (257, 79842360), (260, 78921102), (310, 66191892), (312, 65767585), (338, 60708540), (372, 55159910), (381, 53856920), (390, 52614068), (403, 50916840), (465, 44127928), (507, 40472360), (508, 40392690), (514, 39921180), (520, 39460551), (620, 33095946), (635, 32314152), (676, 30354270), (744, 27579955), (762, 26928460), (771, 26614120), (780, 26307034), (806, 25458420), (845, 24283416), (930, 22063964), (1014, 20236180), (1016, 20196345), (1028, 19960590), (1209, 16972280), (1240, 16547973), (1270, 16157076), (1285, 15968472), (1352, 15177135), (1524, 13464230), (1542, 13307060), (1560, 13153517), (1612, 12729210), (1651, 12428520), (1690, 12141708), (1860, 11031982), (1905, 10771384), (2015, 10183368), (2028, 10118090), (2056, 9980295), (2418, 8486140), (2535, 8094472), (2540, 8078538), (2570, 7984236), (3048, 6732115), (3084, 6653530), (3224, 6364605), (3302, 6214260), (3341, 6141720), (3380, 6070854), (3720, 5515991), (3810, 5385692), (3855, 5322824), (3937, 5211960), (4030, 5091684), (4056, 5059045), (4836, 4243070), (4953, 4142840), (5070, 4047236), (5080, 4039269), (5140, 3992118), (5239, 3916680), (6045, 3394456), (6168, 3326765), (6604, 3107130), (6682, 3070860), (6760, 3035427), (7620, 2692846), (7710, 2661412), (7874, 2605980), (7967, 2575560), (8060, 2545842), (8255, 2485704), (9672, 2121535), (9906, 2071420), (10023, 2047240), (10140, 2023618), (10280, 1996059), (10478, 1958340), (11811, 1737320), (12090, 1697228), (13208, 1553565), (13364, 1535430), (15240, 1346423), (15420, 1330706), (15717, 1305560), (15748, 1302990), (15934, 1287780), (16120, 1272921), (16510, 1242852), (16705, 1228344), (19685, 1042392), (19812, 1035710), (20046, 1023620), (20280, 1011809), (20956, 979170), (21463, 956040), (23622, 868660), (23901, 858520), (24180, 848614), (24765, 828568), (26195, 783336), (26728, 767715), (30840, 665353), (31434, 652780), (31496, 651495), (31868, 643890), (32639, 628680), (33020, 621426), (33410, 614172), (39370, 521196), (39624, 517855), (39835, 515112), (40092, 511810), (41912, 489585), (42926, 478020), (43433, 472440), (47244, 434330), (47802, 429260), (48360, 424307), (49530, 414284), (50115, 409448), (51181, 400920), (52390, 391668), (59055, 347464), (62868, 326390), (63736, 321945), (64389, 318680), (65278, 314340), (66040, 310713), (66820, 307086), (78585, 261112), (78740, 260598), (79670, 257556), (80184, 255905), (85852, 239010), (86866, 236220), (94488, 217165), (95604, 214630), (97917, 209560), (99060, 207142), (100230, 204724), (102362, 200460), (103571, 198120), (104780, 195834), (107315, 191208), (118110, 173732), (119505, 171704), (125736, 163195), (128778, 159340), (130299, 157480), (130556, 157170), (133640, 153543)]