20349648

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:497

約数の個数: 120

約数和(自身を含む): 64415520

約数和(自身を除く): 44065872

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 29, 33, 36, 44, 48, 58, 66, 72, 87, 88, 99, 116, 132, 144, 174, 176, 198, 232, 261, 264, 319, 348, 396, 443, 464, 522, 528, 638, 696, 792, 886, 957, 1044, 1276, 1329, 1392, 1584, 1772, 1914, 2088, 2552, 2658, 2871, 3544, 3828, 3987, 4176, 4873, 5104, 5316, 5742, 7088, 7656, 7974, 9746, 10632, 11484, 12847, 14619, 15312, 15948, 19492, 21264, 22968, 25694, 29238, 31896, 38541, 38984, 43857, 45936, 51388, 58476, 63792, 77082, 77968, 87714, 102776, 115623, 116952, 141317, 154164, 175428, 205552, 231246, 233904, 282634, 308328, 350856, 423951, 462492, 565268, 616656, 701712, 847902, 924984, 1130536, 1271853, 1695804, 1849968, 2261072, 2543706, 3391608, 5087412, 6783216, 10174824, 20349648]

約数ペア:

[(1, 20349648), (2, 10174824), (3, 6783216), (4, 5087412), (6, 3391608), (8, 2543706), (9, 2261072), (11, 1849968), (12, 1695804), (16, 1271853), (18, 1130536), (22, 924984), (24, 847902), (29, 701712), (33, 616656), (36, 565268), (44, 462492), (48, 423951), (58, 350856), (66, 308328), (72, 282634), (87, 233904), (88, 231246), (99, 205552), (116, 175428), (132, 154164), (144, 141317), (174, 116952), (176, 115623), (198, 102776), (232, 87714), (261, 77968), (264, 77082), (319, 63792), (348, 58476), (396, 51388), (443, 45936), (464, 43857), (522, 38984), (528, 38541), (638, 31896), (696, 29238), (792, 25694), (886, 22968), (957, 21264), (1044, 19492), (1276, 15948), (1329, 15312), (1392, 14619), (1584, 12847), (1772, 11484), (1914, 10632), (2088, 9746), (2552, 7974), (2658, 7656), (2871, 7088), (3544, 5742), (3828, 5316), (3987, 5104), (4176, 4873)]