20964001216

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{457}}^1$

素因数の和:802

約数の個数: 112

約数和(自身を含む): 43405795840

約数和(自身を除く): 22441794624

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 79, 86, 158, 172, 211, 316, 344, 422, 457, 632, 688, 844, 914, 1264, 1376, 1688, 1828, 2528, 2752, 3376, 3397, 3656, 5056, 6752, 6794, 7312, 9073, 13504, 13588, 14624, 16669, 18146, 19651, 27176, 29248, 33338, 36103, 36292, 39302, 54352, 66676, 72206, 72584, 78604, 96427, 108704, 133352, 144412, 145168, 157208, 192854, 217408, 266704, 288824, 290336, 314416, 385708, 533408, 577648, 580672, 628832, 716767, 771416, 1066816, 1155296, 1257664, 1433534, 1542832, 1552429, 2310592, 2867068, 3085664, 3104858, 4146361, 5734136, 6171328, 6209716, 7617733, 8292722, 11468272, 12419432, 15235466, 16585444, 22936544, 24838864, 30470932, 33170888, 45873088, 49677728, 60941864, 66341776, 99355456, 121883728, 132683552, 243767456, 265367104, 327562519, 487534912, 655125038, 1310250076, 2620500152, 5241000304, 10482000608, 20964001216]

約数ペア:

[(1, 20964001216), (2, 10482000608), (4, 5241000304), (8, 2620500152), (16, 1310250076), (32, 655125038), (43, 487534912), (64, 327562519), (79, 265367104), (86, 243767456), (158, 132683552), (172, 121883728), (211, 99355456), (316, 66341776), (344, 60941864), (422, 49677728), (457, 45873088), (632, 33170888), (688, 30470932), (844, 24838864), (914, 22936544), (1264, 16585444), (1376, 15235466), (1688, 12419432), (1828, 11468272), (2528, 8292722), (2752, 7617733), (3376, 6209716), (3397, 6171328), (3656, 5734136), (5056, 4146361), (6752, 3104858), (6794, 3085664), (7312, 2867068), (9073, 2310592), (13504, 1552429), (13588, 1542832), (14624, 1433534), (16669, 1257664), (18146, 1155296), (19651, 1066816), (27176, 771416), (29248, 716767), (33338, 628832), (36103, 580672), (36292, 577648), (39302, 533408), (54352, 385708), (66676, 314416), (72206, 290336), (72584, 288824), (78604, 266704), (96427, 217408), (108704, 192854), (133352, 157208), (144412, 145168)]