20956465530

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:137

約数の個数: 1152

約数和(自身を含む): 82529798400

約数和(自身を除く): 61573332870

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, 18, 19, 21, 22, 26, 27, 30, 33, 35, 38, 39, 42, 45, 49, 53, 54, 55, 57, 63, 65, 66, 70, 77, 78, 90, 91, 95, 98, 99, 105, 106, 110, 114, 117, 121, 126, 130, 133, 135, 143, 147, 154, 159, 165, 171, 182, 189, 190, 195, 198, 209, 210, 231, 234, 242, 245, 247, 265, 266, 270, 273, 285, 286, 294, 297, 315, 318, 330, 342, 351, 363, 371, 378, 385, 390, 399, 418, 429, 441, 455, 462, 477, 490, 494, 495, 513, 530, 539, 546, 570, 583, 585, 594, 605, 627, 630, 637, 665, 689, 693, 702, 715, 726, 735, 741, 742, 770, 795, 798, 819, 847, 855, 858, 882, 910, 931, 945, 954, 990, 1001, 1007, 1026, 1045, 1078, 1089, 1113, 1155, 1166, 1170, 1197, 1210, 1235, 1254, 1274, 1287, 1323, 1330, 1365, 1378, 1386, 1430, 1431, 1463, 1470, 1482, 1485, 1573, 1590, 1617, 1638, 1694, 1710, 1729, 1749, 1755, 1815, 1855, 1862, 1881, 1890, 1911, 1995, 2002, 2014, 2067, 2079, 2090, 2145, 2178, 2205, 2223, 2226, 2299, 2310, 2385, 2394, 2457, 2470, 2541, 2565, 2574, 2597, 2646, 2695, 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17199, 17290, 17490, 17787, 17955, 18018, 18126, 18603, 18810, 19019, 19110, 19239, 19305, 20034, 20405, 20482, 20670, 20691, 20790, 21021, 21147, 21945, 22022, 22154, 22230, 22737, 22869, 22990, 23373, 23595, 24115, 24206, 24255, 24453, 24486, 24570, 25137, 25410, 25935, 25970, 26182, 26235, 26334, 27027, 27170, 27189, 27930, 28215, 28314, 28567, 28665, 28938, 29106, 29645, 29887, 30030, 30210, 30723, 31005, 31122, 31482, 32065, 32186, 32670, 33033, 33231, 33345, 33390, 33761, 34398, 34485, 35035, 35245, 35574, 35910, 36309, 36729, 37206, 37895, 38038, 38115, 38478, 38610, 38955, 39273, 39501, 40755, 40810, 41382, 41895, 42042, 42294, 42471, 43407, 43890, 44891, 45045, 45315, 45474, 45738, 46683, 46746, 47190, 48230, 48279, 48510, 48906, 49343, 50085, 50274, 51205, 51870, 52470, 53053, 53361, 54054, 54378, 55055, 55385, 56430, 57057, 57134, 57330, 57717, 59290, 59774, 60515, 61215, 61446, 62010, 62073, 63063, 63441, 64130, 65455, 65835, 66066, 66462, 66690, 67522, 68211, 68970, 70070, 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約数ペア:

[(1, 20956465530), (2, 10478232765), (3, 6985488510), (5, 4191293106), (6, 3492744255), (7, 2993780790), (9, 2328496170), (10, 2095646553), (11, 1905133230), (13, 1612035810), (14, 1496890395), (15, 1397097702), (18, 1164248085), (19, 1102971870), (21, 997926930), (22, 952566615), (26, 806017905), (27, 776165390), (30, 698548851), (33, 635044410), (35, 598756158), (38, 551485935), (39, 537345270), (42, 498963465), (45, 465699234), (49, 427682970), (53, 395405010), (54, 388082695), (55, 381026646), (57, 367657290), (63, 332642310), (65, 322407162), (66, 317522205), (70, 299378079), (77, 272161890), (78, 268672635), (90, 232849617), (91, 230290830), (95, 220594374), (98, 213841485), (99, 211681470), (105, 199585386), (106, 197702505), (110, 190513323), (114, 183828645), (117, 179115090), (121, 173193930), (126, 166321155), (130, 161203581), (133, 157567410), (135, 155233078), (143, 146548710), (147, 142560990), (154, 136080945), (159, 131801670), (165, 127008882), (171, 122552430), (182, 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(8645, 2424114), (8745, 2396394), (8778, 2387385), (9009, 2326170), (9063, 2312310), (9310, 2250963), (9405, 2228226), (9438, 2220435), (9555, 2193246), (9646, 2172555), (9702, 2160015), (10010, 2093553), (10017, 2092090), (10070, 2081079), (10241, 2046330), (10335, 2027718), (10374, 2020095), (10395, 2016014), (10494, 1996995), (10890, 1924377), (11011, 1903230), (11077, 1891890), (11115, 1885422), (11130, 1882881), (11286, 1856855), (11466, 1827705), (11495, 1823094), (11858, 1767285), (11970, 1750749), (12103, 1731510), (12243, 1711710), (12285, 1705858), (12402, 1689765), (12705, 1649466), (12826, 1633905), (12870, 1628319), (12985, 1613898), (13091, 1600830), (13167, 1591590), (13230, 1584011), (13338, 1571185), (13585, 1542618), (13794, 1519245), (13965, 1500642), (14014, 1495395), (14098, 1486485), (14157, 1480290), (14310, 1464463), (14469, 1448370), (14553, 1440010), (14630, 1432431), (15015, 1395702), (15105, 1387386), (15158, 1382535), (15246, 1374555), (15561, 1346730), 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