20187388260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{80627}}^1$

素因数の和:80762

約数の個数: 144

約数和(自身を含む): 66562606656

約数和(自身を除く): 46375218396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 107, 117, 130, 156, 180, 195, 214, 234, 260, 321, 390, 428, 468, 535, 585, 642, 780, 963, 1070, 1170, 1284, 1391, 1605, 1926, 2140, 2340, 2782, 3210, 3852, 4173, 4815, 5564, 6420, 6955, 8346, 9630, 12519, 13910, 16692, 19260, 20865, 25038, 27820, 41730, 50076, 62595, 80627, 83460, 125190, 161254, 241881, 250380, 322508, 403135, 483762, 725643, 806270, 967524, 1048151, 1209405, 1451286, 1612540, 2096302, 2418810, 2902572, 3144453, 3628215, 4192604, 4837620, 5240755, 6288906, 7256430, 8627089, 9433359, 10481510, 12577812, 14512860, 15722265, 17254178, 18866718, 20963020, 25881267, 31444530, 34508356, 37733436, 43135445, 47166795, 51762534, 62889060, 77643801, 86270890, 94333590, 103525068, 112152157, 129406335, 155287602, 172541780, 188667180, 224304314, 258812670, 310575204, 336456471, 388219005, 448608628, 517625340, 560760785, 672912942, 776438010, 1009369413, 1121521570, 1345825884, 1552876020, 1682282355, 2018738826, 2243043140, 3364564710, 4037477652, 5046847065, 6729129420, 10093694130, 20187388260]

約数ペア:

[(1, 20187388260), (2, 10093694130), (3, 6729129420), (4, 5046847065), (5, 4037477652), (6, 3364564710), (9, 2243043140), (10, 2018738826), (12, 1682282355), (13, 1552876020), (15, 1345825884), (18, 1121521570), (20, 1009369413), (26, 776438010), (30, 672912942), (36, 560760785), (39, 517625340), (45, 448608628), (52, 388219005), (60, 336456471), (65, 310575204), (78, 258812670), (90, 224304314), (107, 188667180), (117, 172541780), (130, 155287602), (156, 129406335), (180, 112152157), (195, 103525068), (214, 94333590), (234, 86270890), (260, 77643801), (321, 62889060), (390, 51762534), (428, 47166795), (468, 43135445), (535, 37733436), (585, 34508356), (642, 31444530), (780, 25881267), (963, 20963020), (1070, 18866718), (1170, 17254178), (1284, 15722265), (1391, 14512860), (1605, 12577812), (1926, 10481510), (2140, 9433359), (2340, 8627089), (2782, 7256430), (3210, 6288906), (3852, 5240755), (4173, 4837620), (4815, 4192604), (5564, 3628215), (6420, 3144453), (6955, 2902572), (8346, 2418810), (9630, 2096302), (12519, 1612540), (13910, 1451286), (16692, 1209405), (19260, 1048151), (20865, 967524), (25038, 806270), (27820, 725643), (41730, 483762), (50076, 403135), (62595, 322508), (80627, 250380), (83460, 241881), (125190, 161254)]