20399176980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{3469}}^1$

素因数の和:3863

約数の個数: 288

約数和(自身を含む): 76391078400

約数和(自身を除く): 55991901420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 359, 364, 390, 420, 455, 468, 546, 585, 630, 718, 780, 819, 910, 1077, 1092, 1170, 1260, 1365, 1436, 1638, 1795, 1820, 2154, 2340, 2513, 2730, 3231, 3276, 3469, 3590, 4095, 4308, 4667, 5026, 5385, 5460, 6462, 6938, 7180, 7539, 8190, 9334, 10052, 10407, 10770, 12565, 12924, 13876, 14001, 15078, 16155, 16380, 17345, 18668, 20814, 21540, 22617, 23335, 24283, 25130, 28002, 30156, 31221, 32310, 32669, 34690, 37695, 41628, 42003, 45097, 45234, 46670, 48566, 50260, 52035, 56004, 62442, 64620, 65338, 69380, 70005, 72849, 75390, 84006, 90194, 90468, 93340, 97132, 98007, 104070, 113085, 121415, 124884, 130676, 135291, 140010, 145698, 150780, 156105, 163345, 168012, 180388, 196014, 208140, 210015, 218547, 225485, 226170, 242830, 270582, 280020, 291396, 294021, 312210, 315679, 326690, 364245, 392028, 405873, 420030, 437094, 450970, 452340, 485660, 490035, 541164, 588042, 624420, 631358, 653380, 676455, 728490, 811746, 840060, 874188, 901940, 947037, 980070, 1092735, 1176084, 1245371, 1262716, 1352910, 1456980, 1470105, 1578395, 1623492, 1894074, 1960140, 2029365, 2185470, 2490742, 2705820, 2841111, 2940210, 3156790, 3736113, 3788148, 4058730, 4370940, 4735185, 4981484, 5682222, 5880420, 6226855, 6313580, 7472226, 8117460, 8717597, 9470370, 11208339, 11364444, 12453710, 14205555, 14944452, 16189823, 17435194, 18680565, 18940740, 22416678, 24907420, 26152791, 28411110, 32379646, 34870388, 37361130, 43587985, 44833356, 48569469, 52305582, 56041695, 56822220, 64759292, 74722260, 78458373, 80949115, 87175970, 97138938, 104611164, 112083390, 113328761, 130763955, 145708407, 156916746, 161898230, 174351940, 194277876, 224166780, 226657522, 242847345, 261527910, 291416814, 313833492, 323796460, 339986283, 392291865, 453315044, 485694690, 523055820, 566643805, 582833628, 679972566, 728542035, 784583730, 971389380, 1019958849, 1133287610, 1359945132, 1457084070, 1569167460, 1699931415, 2039917698, 2266575220, 2914168140, 3399862830, 4079835396, 5099794245, 6799725660, 10199588490, 20399176980]

約数ペア:

[(1, 20399176980), (2, 10199588490), (3, 6799725660), (4, 5099794245), (5, 4079835396), (6, 3399862830), (7, 2914168140), (9, 2266575220), (10, 2039917698), (12, 1699931415), (13, 1569167460), (14, 1457084070), (15, 1359945132), (18, 1133287610), (20, 1019958849), (21, 971389380), (26, 784583730), (28, 728542035), (30, 679972566), (35, 582833628), (36, 566643805), (39, 523055820), (42, 485694690), (45, 453315044), (52, 392291865), (60, 339986283), (63, 323796460), (65, 313833492), (70, 291416814), (78, 261527910), (84, 242847345), (90, 226657522), (91, 224166780), (105, 194277876), (117, 174351940), (126, 161898230), (130, 156916746), (140, 145708407), (156, 130763955), (180, 113328761), (182, 112083390), (195, 104611164), (210, 97138938), (234, 87175970), (252, 80949115), (260, 78458373), (273, 74722260), (315, 64759292), (359, 56822220), (364, 56041695), (390, 52305582), (420, 48569469), (455, 44833356), (468, 43587985), (546, 37361130), (585, 34870388), (630, 32379646), (718, 28411110), (780, 26152791), (819, 24907420), (910, 22416678), (1077, 18940740), (1092, 18680565), (1170, 17435194), (1260, 16189823), (1365, 14944452), (1436, 14205555), (1638, 12453710), (1795, 11364444), (1820, 11208339), (2154, 9470370), (2340, 8717597), (2513, 8117460), (2730, 7472226), (3231, 6313580), (3276, 6226855), (3469, 5880420), (3590, 5682222), (4095, 4981484), (4308, 4735185), (4667, 4370940), (5026, 4058730), (5385, 3788148), (5460, 3736113), (6462, 3156790), (6938, 2940210), (7180, 2841111), (7539, 2705820), (8190, 2490742), (9334, 2185470), (10052, 2029365), (10407, 1960140), (10770, 1894074), (12565, 1623492), (12924, 1578395), (13876, 1470105), (14001, 1456980), (15078, 1352910), (16155, 1262716), (16380, 1245371), (17345, 1176084), (18668, 1092735), (20814, 980070), (21540, 947037), (22617, 901940), (23335, 874188), (24283, 840060), (25130, 811746), (28002, 728490), (30156, 676455), (31221, 653380), (32310, 631358), (32669, 624420), (34690, 588042), (37695, 541164), (41628, 490035), (42003, 485660), (45097, 452340), (45234, 450970), (46670, 437094), (48566, 420030), (50260, 405873), (52035, 392028), (56004, 364245), (62442, 326690), (64620, 315679), (65338, 312210), (69380, 294021), (70005, 291396), (72849, 280020), (75390, 270582), (84006, 242830), (90194, 226170), (90468, 225485), (93340, 218547), (97132, 210015), (98007, 208140), (104070, 196014), (113085, 180388), (121415, 168012), (124884, 163345), (130676, 156105), (135291, 150780), (140010, 145698)]