20802600

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:169

約数の個数: 288

約数和(自身を含む): 86661120

約数和(自身を除く): 65858520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 25, 26, 28, 30, 35, 36, 39, 40, 42, 45, 50, 52, 56, 60, 63, 65, 70, 72, 75, 78, 84, 90, 91, 100, 104, 105, 117, 120, 126, 127, 130, 140, 150, 156, 168, 175, 180, 182, 195, 200, 210, 225, 234, 252, 254, 260, 273, 280, 300, 312, 315, 325, 350, 360, 364, 381, 390, 420, 450, 455, 468, 504, 508, 520, 525, 546, 585, 600, 630, 635, 650, 700, 728, 762, 780, 819, 840, 889, 900, 910, 936, 975, 1016, 1050, 1092, 1143, 1170, 1260, 1270, 1300, 1365, 1400, 1524, 1560, 1575, 1638, 1651, 1778, 1800, 1820, 1905, 1950, 2100, 2184, 2275, 2286, 2340, 2520, 2540, 2600, 2667, 2730, 2925, 3048, 3150, 3175, 3276, 3302, 3556, 3640, 3810, 3900, 4095, 4200, 4445, 4550, 4572, 4680, 4953, 5080, 5334, 5460, 5715, 5850, 6300, 6350, 6552, 6604, 6825, 7112, 7620, 7800, 8001, 8190, 8255, 8890, 9100, 9144, 9525, 9906, 10668, 10920, 11430, 11557, 11700, 12600, 12700, 13208, 13335, 13650, 14859, 15240, 16002, 16380, 16510, 17780, 18200, 19050, 19812, 20475, 21336, 22225, 22860, 23114, 23400, 24765, 25400, 26670, 27300, 28575, 29718, 32004, 32760, 33020, 34671, 35560, 38100, 39624, 40005, 40950, 41275, 44450, 45720, 46228, 49530, 53340, 54600, 57150, 57785, 59436, 64008, 66040, 66675, 69342, 74295, 76200, 80010, 81900, 82550, 88900, 92456, 99060, 104013, 106680, 114300, 115570, 118872, 123825, 133350, 138684, 148590, 160020, 163800, 165100, 173355, 177800, 198120, 200025, 208026, 228600, 231140, 247650, 266700, 277368, 288925, 297180, 320040, 330200, 346710, 371475, 400050, 416052, 462280, 495300, 520065, 533400, 577850, 594360, 693420, 742950, 800100, 832104, 866775, 990600, 1040130, 1155700, 1386840, 1485900, 1600200, 1733550, 2080260, 2311400, 2600325, 2971800, 3467100, 4160520, 5200650, 6934200, 10401300, 20802600]

約数ペア:

[(1, 20802600), (2, 10401300), (3, 6934200), (4, 5200650), (5, 4160520), (6, 3467100), (7, 2971800), (8, 2600325), (9, 2311400), (10, 2080260), (12, 1733550), (13, 1600200), (14, 1485900), (15, 1386840), (18, 1155700), (20, 1040130), (21, 990600), (24, 866775), (25, 832104), (26, 800100), (28, 742950), (30, 693420), (35, 594360), (36, 577850), (39, 533400), (40, 520065), (42, 495300), (45, 462280), (50, 416052), (52, 400050), (56, 371475), (60, 346710), (63, 330200), (65, 320040), (70, 297180), (72, 288925), (75, 277368), (78, 266700), (84, 247650), (90, 231140), (91, 228600), (100, 208026), (104, 200025), (105, 198120), (117, 177800), (120, 173355), (126, 165100), (127, 163800), (130, 160020), (140, 148590), (150, 138684), (156, 133350), (168, 123825), (175, 118872), (180, 115570), (182, 114300), (195, 106680), (200, 104013), (210, 99060), (225, 92456), (234, 88900), (252, 82550), (254, 81900), (260, 80010), (273, 76200), (280, 74295), (300, 69342), (312, 66675), (315, 66040), (325, 64008), (350, 59436), (360, 57785), (364, 57150), (381, 54600), (390, 53340), (420, 49530), (450, 46228), (455, 45720), (468, 44450), (504, 41275), (508, 40950), (520, 40005), (525, 39624), (546, 38100), (585, 35560), (600, 34671), (630, 33020), (635, 32760), (650, 32004), (700, 29718), (728, 28575), (762, 27300), (780, 26670), (819, 25400), (840, 24765), (889, 23400), (900, 23114), (910, 22860), (936, 22225), (975, 21336), (1016, 20475), (1050, 19812), (1092, 19050), (1143, 18200), (1170, 17780), (1260, 16510), (1270, 16380), (1300, 16002), (1365, 15240), (1400, 14859), (1524, 13650), (1560, 13335), (1575, 13208), (1638, 12700), (1651, 12600), (1778, 11700), (1800, 11557), (1820, 11430), (1905, 10920), (1950, 10668), (2100, 9906), (2184, 9525), (2275, 9144), (2286, 9100), (2340, 8890), (2520, 8255), (2540, 8190), (2600, 8001), (2667, 7800), (2730, 7620), (2925, 7112), (3048, 6825), (3150, 6604), (3175, 6552), (3276, 6350), (3302, 6300), (3556, 5850), (3640, 5715), (3810, 5460), (3900, 5334), (4095, 5080), (4200, 4953), (4445, 4680), (4550, 4572)]