20639003840

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^2$

素因数の和:209

約数の個数: 504

約数和(自身を含む): 65708692560

約数和(自身を除く): 45069688720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 32, 35, 38, 40, 49, 52, 56, 64, 65, 70, 73, 76, 80, 91, 95, 98, 104, 112, 130, 133, 140, 146, 152, 160, 182, 190, 196, 208, 224, 245, 247, 260, 266, 280, 292, 304, 320, 364, 365, 380, 392, 416, 448, 455, 490, 494, 511, 520, 532, 560, 584, 608, 637, 665, 728, 730, 760, 784, 832, 910, 931, 949, 980, 988, 1022, 1040, 1064, 1120, 1168, 1216, 1235, 1274, 1330, 1387, 1456, 1460, 1520, 1568, 1729, 1820, 1862, 1898, 1960, 1976, 2044, 2080, 2128, 2240, 2336, 2470, 2548, 2555, 2660, 2774, 2912, 2920, 3040, 3136, 3185, 3458, 3577, 3640, 3724, 3796, 3920, 3952, 4088, 4160, 4256, 4655, 4672, 4745, 4940, 5096, 5110, 5320, 5329, 5548, 5824, 5840, 6080, 6370, 6643, 6916, 6935, 7154, 7280, 7448, 7592, 7840, 7904, 8176, 8512, 8645, 9310, 9490, 9709, 9880, 10192, 10220, 10640, 10658, 11096, 11680, 12103, 12740, 13286, 13832, 13870, 14308, 14560, 14896, 15184, 15680, 15808, 16352, 17290, 17885, 18031, 18620, 18980, 19418, 19760, 20384, 20440, 21280, 21316, 22192, 23360, 24206, 25480, 26572, 26645, 27664, 27740, 28616, 29120, 29792, 30368, 32704, 33215, 34580, 35770, 36062, 37240, 37303, 37960, 38836, 39520, 40768, 40880, 42560, 42632, 44384, 46501, 48412, 48545, 50960, 53144, 53290, 55328, 55480, 57232, 59584, 60515, 60736, 66430, 67963, 69160, 69277, 71540, 72124, 74480, 74606, 75920, 77672, 79040, 81760, 85264, 88768, 90155, 93002, 96824, 97090, 101251, 101920, 106288, 106580, 110656, 110960, 114464, 121030, 126217, 132860, 135926, 138320, 138554, 143080, 144248, 148960, 149212, 151840, 155344, 163520, 170528, 180310, 186004, 186515, 193648, 194180, 202502, 203840, 212576, 213160, 221920, 228928, 232505, 242060, 252434, 261121, 265720, 271852, 276640, 277108, 286160, 288496, 297920, 298424, 303680, 310688, 339815, 341056, 346385, 360620, 372008, 373030, 387296, 388360, 405004, 425152, 426320, 443840, 465010, 484120, 484939, 504868, 506255, 522242, 531440, 543704, 553280, 554216, 572320, 576992, 596848, 621376, 631085, 679630, 692770, 708757, 721240, 744016, 746060, 774592, 776720, 810008, 852640, 883519, 930020, 968240, 969878, 1009736, 1012510, 1044484, 1062880, 1087408, 1108432, 1144640, 1153984, 1193696, 1262170, 1305605, 1316263, 1359260, 1385540, 1417514, 1442480, 1488032, 1492120, 1553440, 1620016, 1705280, 1767038, 1860040, 1936480, 1939756, 2019472, 2025020, 2088968, 2125760, 2174816, 2216864, 2387392, 2424695, 2524340, 2611210, 2632526, 2718520, 2771080, 2835028, 2884960, 2976064, 2984240, 3106880, 3240032, 3394573, 3534076, 3543785, 3720080, 3872960, 3879512, 4038944, 4050040, 4177936, 4349632, 4417595, 4433728, 4849390, 4961299, 5048680, 5222420, 5265052, 5437040, 5542160, 5670056, 5769920, 5968480, 6480064, 6581315, 6789146, 7068152, 7087570, 7440160, 7759024, 8077888, 8100080, 8355872, 8835190, 9213841, 9698780, 9922598, 10097360, 10444840, 10530104, 10874080, 11084320, 11340112, 11936960, 13162630, 13578292, 14136304, 14175140, 14880320, 15518048, 16200160, 16711744, 16972865, 17670380, 18427682, 19397560, 19845196, 20194720, 20889680, 21060208, 21748160, 22168640, 22680224, 24806495, 26325260, 27156584, 28272608, 28350280, 31036096, 32400320, 33945730, 35340760, 36855364, 38795120, 39690392, 40389440, 41779360, 42120416, 45360448, 46069205, 49612990, 52650520, 54313168, 56545216, 56700560, 64496887, 67891460, 70681520, 73710728, 77590240, 79380784, 83558720, 84240832, 92138410, 99225980, 105301040, 108626336, 113401120, 128993774, 135782920, 141363040, 147421456, 155180480, 158761568, 184276820, 198451960, 210602080, 217252672, 226802240, 257987548, 271565840, 282726080, 294842912, 317523136, 322484435, 368553640, 396903920, 421204160, 515975096, 543131680, 589685824, 644968870, 737107280, 793807840, 1031950192, 1086263360, 1289937740, 1474214560, 1587615680, 2063900384, 2579875480, 2948429120, 4127800768, 5159750960, 10319501920, 20639003840]

約数ペア:

[(1, 20639003840), (2, 10319501920), (4, 5159750960), (5, 4127800768), (7, 2948429120), (8, 2579875480), (10, 2063900384), (13, 1587615680), (14, 1474214560), (16, 1289937740), (19, 1086263360), (20, 1031950192), (26, 793807840), (28, 737107280), (32, 644968870), (35, 589685824), (38, 543131680), (40, 515975096), (49, 421204160), (52, 396903920), (56, 368553640), (64, 322484435), (65, 317523136), (70, 294842912), (73, 282726080), (76, 271565840), (80, 257987548), (91, 226802240), (95, 217252672), (98, 210602080), (104, 198451960), (112, 184276820), (130, 158761568), (133, 155180480), (140, 147421456), (146, 141363040), (152, 135782920), (160, 128993774), (182, 113401120), (190, 108626336), (196, 105301040), (208, 99225980), (224, 92138410), (245, 84240832), (247, 83558720), (260, 79380784), (266, 77590240), (280, 73710728), (292, 70681520), (304, 67891460), (320, 64496887), (364, 56700560), (365, 56545216), (380, 54313168), (392, 52650520), (416, 49612990), (448, 46069205), (455, 45360448), (490, 42120416), (494, 41779360), (511, 40389440), (520, 39690392), (532, 38795120), (560, 36855364), (584, 35340760), (608, 33945730), (637, 32400320), (665, 31036096), (728, 28350280), (730, 28272608), (760, 27156584), (784, 26325260), (832, 24806495), (910, 22680224), (931, 22168640), (949, 21748160), (980, 21060208), (988, 20889680), (1022, 20194720), (1040, 19845196), (1064, 19397560), (1120, 18427682), (1168, 17670380), (1216, 16972865), (1235, 16711744), (1274, 16200160), (1330, 15518048), (1387, 14880320), (1456, 14175140), (1460, 14136304), (1520, 13578292), (1568, 13162630), (1729, 11936960), (1820, 11340112), (1862, 11084320), (1898, 10874080), (1960, 10530104), (1976, 10444840), (2044, 10097360), (2080, 9922598), (2128, 9698780), (2240, 9213841), (2336, 8835190), (2470, 8355872), (2548, 8100080), (2555, 8077888), (2660, 7759024), (2774, 7440160), (2912, 7087570), (2920, 7068152), (3040, 6789146), (3136, 6581315), (3185, 6480064), (3458, 5968480), (3577, 5769920), (3640, 5670056), (3724, 5542160), (3796, 5437040), (3920, 5265052), (3952, 5222420), (4088, 5048680), (4160, 4961299), (4256, 4849390), (4655, 4433728), (4672, 4417595), (4745, 4349632), (4940, 4177936), (5096, 4050040), (5110, 4038944), (5320, 3879512), (5329, 3872960), (5548, 3720080), (5824, 3543785), (5840, 3534076), (6080, 3394573), (6370, 3240032), (6643, 3106880), (6916, 2984240), (6935, 2976064), (7154, 2884960), (7280, 2835028), (7448, 2771080), (7592, 2718520), (7840, 2632526), (7904, 2611210), (8176, 2524340), (8512, 2424695), (8645, 2387392), (9310, 2216864), (9490, 2174816), (9709, 2125760), (9880, 2088968), (10192, 2025020), (10220, 2019472), (10640, 1939756), (10658, 1936480), (11096, 1860040), (11680, 1767038), (12103, 1705280), (12740, 1620016), (13286, 1553440), (13832, 1492120), (13870, 1488032), (14308, 1442480), (14560, 1417514), (14896, 1385540), (15184, 1359260), (15680, 1316263), (15808, 1305605), (16352, 1262170), (17290, 1193696), (17885, 1153984), (18031, 1144640), (18620, 1108432), (18980, 1087408), (19418, 1062880), (19760, 1044484), (20384, 1012510), (20440, 1009736), (21280, 969878), (21316, 968240), (22192, 930020), (23360, 883519), (24206, 852640), (25480, 810008), (26572, 776720), (26645, 774592), (27664, 746060), (27740, 744016), (28616, 721240), (29120, 708757), (29792, 692770), (30368, 679630), (32704, 631085), (33215, 621376), (34580, 596848), (35770, 576992), (36062, 572320), (37240, 554216), (37303, 553280), (37960, 543704), (38836, 531440), (39520, 522242), (40768, 506255), (40880, 504868), (42560, 484939), (42632, 484120), (44384, 465010), (46501, 443840), (48412, 426320), (48545, 425152), (50960, 405004), (53144, 388360), (53290, 387296), (55328, 373030), (55480, 372008), (57232, 360620), (59584, 346385), (60515, 341056), (60736, 339815), (66430, 310688), (67963, 303680), (69160, 298424), (69277, 297920), (71540, 288496), (72124, 286160), (74480, 277108), (74606, 276640), (75920, 271852), (77672, 265720), (79040, 261121), (81760, 252434), (85264, 242060), (88768, 232505), (90155, 228928), (93002, 221920), (96824, 213160), (97090, 212576), (101251, 203840), (101920, 202502), (106288, 194180), (106580, 193648), (110656, 186515), (110960, 186004), (114464, 180310), (121030, 170528), (126217, 163520), (132860, 155344), (135926, 151840), (138320, 149212), (138554, 148960), (143080, 144248)]