20115979576

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{3511}}^1$

素因数の和:3737

約数の個数: 128

約数和(自身を含む): 48064389120

約数和(自身を除く): 27948409544

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 71, 77, 88, 131, 142, 154, 262, 284, 308, 497, 524, 568, 616, 781, 917, 994, 1048, 1441, 1562, 1834, 1988, 2882, 3124, 3511, 3668, 3976, 5467, 5764, 6248, 7022, 7336, 9301, 10087, 10934, 11528, 14044, 18602, 20174, 21868, 24577, 28088, 37204, 38621, 40348, 43736, 49154, 65107, 74408, 77242, 80696, 98308, 102311, 130214, 154484, 196616, 204622, 249281, 260428, 270347, 308968, 409244, 459941, 498562, 520856, 540694, 716177, 818488, 919882, 997124, 1081388, 1432354, 1744967, 1839764, 1994248, 2162776, 2742091, 2864708, 3219587, 3489934, 3679528, 5059351, 5484182, 5729416, 6439174, 6979868, 10118702, 10968364, 12878348, 13959736, 19194637, 20237404, 21936728, 25756696, 32655811, 35415457, 38389274, 40474808, 65311622, 70830914, 76778548, 130623244, 141661828, 153557096, 228590677, 261246488, 283323656, 359213921, 457181354, 718427842, 914362708, 1436855684, 1828725416, 2514497447, 2873711368, 5028994894, 10057989788, 20115979576]

約数ペア:

[(1, 20115979576), (2, 10057989788), (4, 5028994894), (7, 2873711368), (8, 2514497447), (11, 1828725416), (14, 1436855684), (22, 914362708), (28, 718427842), (44, 457181354), (56, 359213921), (71, 283323656), (77, 261246488), (88, 228590677), (131, 153557096), (142, 141661828), (154, 130623244), (262, 76778548), (284, 70830914), (308, 65311622), (497, 40474808), (524, 38389274), (568, 35415457), (616, 32655811), (781, 25756696), (917, 21936728), (994, 20237404), (1048, 19194637), (1441, 13959736), (1562, 12878348), (1834, 10968364), (1988, 10118702), (2882, 6979868), (3124, 6439174), (3511, 5729416), (3668, 5484182), (3976, 5059351), (5467, 3679528), (5764, 3489934), (6248, 3219587), (7022, 2864708), (7336, 2742091), (9301, 2162776), (10087, 1994248), (10934, 1839764), (11528, 1744967), (14044, 1432354), (18602, 1081388), (20174, 997124), (21868, 919882), (24577, 818488), (28088, 716177), (37204, 540694), (38621, 520856), (40348, 498562), (43736, 459941), (49154, 409244), (65107, 308968), (74408, 270347), (77242, 260428), (80696, 249281), (98308, 204622), (102311, 196616), (130214, 154484)]