20739029220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{6427}}^1$

素因数の和:6659

約数の個数: 288

約数和(自身を含む): 77830841088

約数和(自身を除く): 57091811868

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, 197, 210, 234, 252, 260, 273, 315, 364, 390, 394, 420, 455, 468, 546, 585, 591, 630, 780, 788, 819, 910, 985, 1092, 1170, 1182, 1260, 1365, 1379, 1638, 1773, 1820, 1970, 2340, 2364, 2561, 2730, 2758, 2955, 3276, 3546, 3940, 4095, 4137, 5122, 5460, 5516, 5910, 6427, 6895, 7092, 7683, 8190, 8274, 8865, 10244, 11820, 12411, 12805, 12854, 13790, 15366, 16380, 16548, 17730, 17927, 19281, 20685, 23049, 24822, 25610, 25708, 27580, 30732, 32135, 35460, 35854, 38415, 38562, 41370, 44989, 46098, 49644, 51220, 53781, 57843, 62055, 64270, 71708, 76830, 77124, 82740, 83551, 89635, 89978, 92196, 96405, 107562, 115245, 115686, 124110, 128540, 134967, 153660, 161343, 167102, 179270, 179956, 192810, 215124, 224945, 230490, 231372, 248220, 250653, 268905, 269934, 289215, 322686, 334204, 358540, 385620, 404901, 417755, 449890, 460980, 501306, 537810, 539868, 578430, 584857, 645372, 674835, 751959, 806715, 809802, 835510, 899780, 1002612, 1075620, 1156860, 1169714, 1253265, 1266119, 1349670, 1503918, 1613430, 1619604, 1671020, 1754571, 2024505, 2339428, 2506530, 2532238, 2699340, 2924285, 3007836, 3226860, 3509142, 3759795, 3798357, 4049010, 5013060, 5064476, 5263713, 5848570, 6330595, 7018284, 7519590, 7596714, 8098020, 8772855, 8862833, 10527426, 11395071, 11697140, 12661190, 15039180, 15193428, 16459547, 17545710, 17725666, 18991785, 21054852, 22790142, 25322380, 26318565, 26588499, 32919094, 35091420, 35451332, 37983570, 44314165, 45580284, 49378641, 52637130, 53176998, 56975355, 65838188, 75967140, 79765497, 82297735, 88628330, 98757282, 105274260, 106353996, 113950710, 115216829, 132942495, 148135923, 159530994, 164595470, 177256660, 197514564, 227901420, 230433658, 246893205, 265884990, 296271846, 319061988, 329190940, 345650487, 398827485, 460867316, 493786410, 531769980, 576084145, 592543692, 691300974, 740679615, 797654970, 987572820, 1036951461, 1152168290, 1382601948, 1481359230, 1595309940, 1728252435, 2073902922, 2304336580, 2962718460, 3456504870, 4147805844, 5184757305, 6913009740, 10369514610, 20739029220]

約数ペア:

[(1, 20739029220), (2, 10369514610), (3, 6913009740), (4, 5184757305), (5, 4147805844), (6, 3456504870), (7, 2962718460), (9, 2304336580), (10, 2073902922), (12, 1728252435), (13, 1595309940), (14, 1481359230), (15, 1382601948), (18, 1152168290), (20, 1036951461), (21, 987572820), (26, 797654970), (28, 740679615), (30, 691300974), (35, 592543692), (36, 576084145), (39, 531769980), (42, 493786410), (45, 460867316), (52, 398827485), (60, 345650487), (63, 329190940), (65, 319061988), (70, 296271846), (78, 265884990), (84, 246893205), (90, 230433658), (91, 227901420), (105, 197514564), (117, 177256660), (126, 164595470), (130, 159530994), (140, 148135923), (156, 132942495), (180, 115216829), (182, 113950710), (195, 106353996), (197, 105274260), (210, 98757282), (234, 88628330), (252, 82297735), (260, 79765497), (273, 75967140), (315, 65838188), (364, 56975355), (390, 53176998), (394, 52637130), (420, 49378641), (455, 45580284), (468, 44314165), (546, 37983570), (585, 35451332), (591, 35091420), (630, 32919094), (780, 26588499), (788, 26318565), (819, 25322380), (910, 22790142), (985, 21054852), (1092, 18991785), (1170, 17725666), (1182, 17545710), (1260, 16459547), (1365, 15193428), (1379, 15039180), (1638, 12661190), (1773, 11697140), (1820, 11395071), (1970, 10527426), (2340, 8862833), (2364, 8772855), (2561, 8098020), (2730, 7596714), (2758, 7519590), (2955, 7018284), (3276, 6330595), (3546, 5848570), (3940, 5263713), (4095, 5064476), (4137, 5013060), (5122, 4049010), (5460, 3798357), (5516, 3759795), (5910, 3509142), (6427, 3226860), (6895, 3007836), (7092, 2924285), (7683, 2699340), (8190, 2532238), (8274, 2506530), (8865, 2339428), (10244, 2024505), (11820, 1754571), (12411, 1671020), (12805, 1619604), (12854, 1613430), (13790, 1503918), (15366, 1349670), (16380, 1266119), (16548, 1253265), (17730, 1169714), (17927, 1156860), (19281, 1075620), (20685, 1002612), (23049, 899780), (24822, 835510), (25610, 809802), (25708, 806715), (27580, 751959), (30732, 674835), (32135, 645372), (35460, 584857), (35854, 578430), (38415, 539868), (38562, 537810), (41370, 501306), (44989, 460980), (46098, 449890), (49644, 417755), (51220, 404901), (53781, 385620), (57843, 358540), (62055, 334204), (64270, 322686), (71708, 289215), (76830, 269934), (77124, 268905), (82740, 250653), (83551, 248220), (89635, 231372), (89978, 230490), (92196, 224945), (96405, 215124), (107562, 192810), (115245, 179956), (115686, 179270), (124110, 167102), (128540, 161343), (134967, 153660)]