20105892464

素因数分解:

$2^4\times 7^2\times {\mathrm{71}}^1\times {\mathrm{601}}^2$

素因数の和:1295

約数の個数: 90

約数和(自身を含む): 46030024872

約数和(自身を除く): 25924132408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 71, 98, 112, 142, 196, 284, 392, 497, 568, 601, 784, 994, 1136, 1202, 1988, 2404, 3479, 3976, 4207, 4808, 6958, 7952, 8414, 9616, 13916, 16828, 27832, 29449, 33656, 42671, 55664, 58898, 67312, 85342, 117796, 170684, 235592, 298697, 341368, 361201, 471184, 597394, 682736, 722402, 1194788, 1444804, 2090879, 2389576, 2528407, 2889608, 4181758, 4779152, 5056814, 5779216, 8363516, 10113628, 16727032, 17698849, 20227256, 25645271, 33454064, 35397698, 40454512, 51290542, 70795396, 102581084, 141590792, 179516897, 205162168, 283181584, 359033794, 410324336, 718067588, 1256618279, 1436135176, 2513236558, 2872270352, 5026473116, 10052946232, 20105892464]

約数ペア:

[(1, 20105892464), (2, 10052946232), (4, 5026473116), (7, 2872270352), (8, 2513236558), (14, 1436135176), (16, 1256618279), (28, 718067588), (49, 410324336), (56, 359033794), (71, 283181584), (98, 205162168), (112, 179516897), (142, 141590792), (196, 102581084), (284, 70795396), (392, 51290542), (497, 40454512), (568, 35397698), (601, 33454064), (784, 25645271), (994, 20227256), (1136, 17698849), (1202, 16727032), (1988, 10113628), (2404, 8363516), (3479, 5779216), (3976, 5056814), (4207, 4779152), (4808, 4181758), (6958, 2889608), (7952, 2528407), (8414, 2389576), (9616, 2090879), (13916, 1444804), (16828, 1194788), (27832, 722402), (29449, 682736), (33656, 597394), (42671, 471184), (55664, 361201), (58898, 341368), (67312, 298697), (85342, 235592), (117796, 170684)]