20404686576

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{3559}}^1\times {\mathrm{3853}}^1$

素因数の和:7454

約数の個数: 80

約数和(自身を含む): 54441912320

約数和(自身を除く): 34037225744

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 3559, 3853, 7118, 7706, 10677, 11559, 14236, 15412, 21354, 23118, 28472, 30824, 42708, 46236, 56944, 61648, 85416, 92472, 110329, 119443, 170832, 184944, 220658, 238886, 330987, 358329, 441316, 477772, 661974, 716658, 882632, 955544, 1323948, 1433316, 1765264, 1911088, 2647896, 2866632, 5295792, 5733264, 13712827, 27425654, 41138481, 54851308, 82276962, 109702616, 164553924, 219405232, 329107848, 425097637, 658215696, 850195274, 1275292911, 1700390548, 2550585822, 3400781096, 5101171644, 6801562192, 10202343288, 20404686576]

約数ペア:

[(1, 20404686576), (2, 10202343288), (3, 6801562192), (4, 5101171644), (6, 3400781096), (8, 2550585822), (12, 1700390548), (16, 1275292911), (24, 850195274), (31, 658215696), (48, 425097637), (62, 329107848), (93, 219405232), (124, 164553924), (186, 109702616), (248, 82276962), (372, 54851308), (496, 41138481), (744, 27425654), (1488, 13712827), (3559, 5733264), (3853, 5295792), (7118, 2866632), (7706, 2647896), (10677, 1911088), (11559, 1765264), (14236, 1433316), (15412, 1323948), (21354, 955544), (23118, 882632), (28472, 716658), (30824, 661974), (42708, 477772), (46236, 441316), (56944, 358329), (61648, 330987), (85416, 238886), (92472, 220658), (110329, 184944), (119443, 170832)]