20826546

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 96

約数和(自身を含む): 50595840

約数和(自身を除く): 29769294

約数列:

[1, 2, 3, 6, 13, 19, 23, 26, 38, 39, 46, 47, 57, 69, 78, 94, 114, 138, 141, 169, 247, 282, 299, 338, 437, 494, 507, 598, 611, 741, 874, 893, 897, 1014, 1081, 1222, 1311, 1482, 1786, 1794, 1833, 2162, 2622, 2679, 3211, 3243, 3666, 3887, 5358, 5681, 6422, 6486, 7774, 7943, 9633, 11362, 11609, 11661, 14053, 15886, 17043, 19266, 20539, 23218, 23322, 23829, 28106, 34086, 34827, 41078, 42159, 47658, 61617, 69654, 73853, 84318, 123234, 147706, 150917, 182689, 221559, 267007, 301834, 365378, 443118, 452751, 534014, 548067, 801021, 905502, 1096134, 1602042, 3471091, 6942182, 10413273, 20826546]

約数ペア:

[(1, 20826546), (2, 10413273), (3, 6942182), (6, 3471091), (13, 1602042), (19, 1096134), (23, 905502), (26, 801021), (38, 548067), (39, 534014), (46, 452751), (47, 443118), (57, 365378), (69, 301834), (78, 267007), (94, 221559), (114, 182689), (138, 150917), (141, 147706), (169, 123234), (247, 84318), (282, 73853), (299, 69654), (338, 61617), (437, 47658), (494, 42159), (507, 41078), (598, 34827), (611, 34086), (741, 28106), (874, 23829), (893, 23322), (897, 23218), (1014, 20539), (1081, 19266), (1222, 17043), (1311, 15886), (1482, 14053), (1786, 11661), (1794, 11609), (1833, 11362), (2162, 9633), (2622, 7943), (2679, 7774), (3211, 6486), (3243, 6422), (3666, 5681), (3887, 5358)]