20347062784

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{31267}}^1$

素因数の和:31357

約数の個数: 80

約数和(自身を含む): 42990748416

約数和(自身を除く): 22643685632

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 64, 82, 124, 128, 164, 248, 256, 328, 496, 512, 656, 992, 1271, 1312, 1984, 2542, 2624, 3968, 5084, 5248, 7936, 10168, 10496, 15872, 20336, 20992, 31267, 40672, 62534, 81344, 125068, 162688, 250136, 325376, 500272, 650752, 969277, 1000544, 1281947, 1938554, 2001088, 2563894, 3877108, 4002176, 5127788, 7754216, 8004352, 10255576, 15508432, 16008704, 20511152, 31016864, 39740357, 41022304, 62033728, 79480714, 82044608, 124067456, 158961428, 164089216, 248134912, 317922856, 328178432, 496269824, 635845712, 656356864, 1271691424, 2543382848, 5086765696, 10173531392, 20347062784]

約数ペア:

[(1, 20347062784), (2, 10173531392), (4, 5086765696), (8, 2543382848), (16, 1271691424), (31, 656356864), (32, 635845712), (41, 496269824), (62, 328178432), (64, 317922856), (82, 248134912), (124, 164089216), (128, 158961428), (164, 124067456), (248, 82044608), (256, 79480714), (328, 62033728), (496, 41022304), (512, 39740357), (656, 31016864), (992, 20511152), (1271, 16008704), (1312, 15508432), (1984, 10255576), (2542, 8004352), (2624, 7754216), (3968, 5127788), (5084, 4002176), (5248, 3877108), (7936, 2563894), (10168, 2001088), (10496, 1938554), (15872, 1281947), (20336, 1000544), (20992, 969277), (31267, 650752), (40672, 500272), (62534, 325376), (81344, 250136), (125068, 162688)]