20499072

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:262

約数の個数: 128

約数和(自身を含む): 62277120

約数和(自身を除く): 41778048

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 23, 24, 32, 33, 44, 46, 48, 64, 66, 69, 88, 92, 96, 128, 132, 138, 176, 184, 192, 211, 253, 264, 276, 352, 368, 384, 422, 506, 528, 552, 633, 704, 736, 759, 844, 1012, 1056, 1104, 1266, 1408, 1472, 1518, 1688, 2024, 2112, 2208, 2321, 2532, 2944, 3036, 3376, 4048, 4224, 4416, 4642, 4853, 5064, 6072, 6752, 6963, 8096, 8832, 9284, 9706, 10128, 12144, 13504, 13926, 14559, 16192, 18568, 19412, 20256, 24288, 27008, 27852, 29118, 32384, 37136, 38824, 40512, 48576, 53383, 55704, 58236, 74272, 77648, 81024, 97152, 106766, 111408, 116472, 148544, 155296, 160149, 213532, 222816, 232944, 297088, 310592, 320298, 427064, 445632, 465888, 621184, 640596, 854128, 891264, 931776, 1281192, 1708256, 1863552, 2562384, 3416512, 5124768, 6833024, 10249536, 20499072]

約数ペア:

[(1, 20499072), (2, 10249536), (3, 6833024), (4, 5124768), (6, 3416512), (8, 2562384), (11, 1863552), (12, 1708256), (16, 1281192), (22, 931776), (23, 891264), (24, 854128), (32, 640596), (33, 621184), (44, 465888), (46, 445632), (48, 427064), (64, 320298), (66, 310592), (69, 297088), (88, 232944), (92, 222816), (96, 213532), (128, 160149), (132, 155296), (138, 148544), (176, 116472), (184, 111408), (192, 106766), (211, 97152), (253, 81024), (264, 77648), (276, 74272), (352, 58236), (368, 55704), (384, 53383), (422, 48576), (506, 40512), (528, 38824), (552, 37136), (633, 32384), (704, 29118), (736, 27852), (759, 27008), (844, 24288), (1012, 20256), (1056, 19412), (1104, 18568), (1266, 16192), (1408, 14559), (1472, 13926), (1518, 13504), (1688, 12144), (2024, 10128), (2112, 9706), (2208, 9284), (2321, 8832), (2532, 8096), (2944, 6963), (3036, 6752), (3376, 6072), (4048, 5064), (4224, 4853), (4416, 4642)]