20131949024

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{257}}^1\times {\mathrm{20231}}^1$

素因数の和:20520

約数の個数: 72

約数和(自身を含む): 43737173424

約数和(自身を除く): 23605224400

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 257, 352, 484, 514, 968, 1028, 1936, 2056, 2827, 3872, 4112, 5654, 8224, 11308, 20231, 22616, 31097, 40462, 45232, 62194, 80924, 90464, 124388, 161848, 222541, 248776, 323696, 445082, 497552, 647392, 890164, 995104, 1780328, 2447951, 3560656, 4895902, 5199367, 7121312, 9791804, 10398734, 19583608, 20797468, 39167216, 41594936, 57193037, 78334432, 83189872, 114386074, 166379744, 228772148, 457544296, 629123407, 915088592, 1258246814, 1830177184, 2516493628, 5032987256, 10065974512, 20131949024]

約数ペア:

[(1, 20131949024), (2, 10065974512), (4, 5032987256), (8, 2516493628), (11, 1830177184), (16, 1258246814), (22, 915088592), (32, 629123407), (44, 457544296), (88, 228772148), (121, 166379744), (176, 114386074), (242, 83189872), (257, 78334432), (352, 57193037), (484, 41594936), (514, 39167216), (968, 20797468), (1028, 19583608), (1936, 10398734), (2056, 9791804), (2827, 7121312), (3872, 5199367), (4112, 4895902), (5654, 3560656), (8224, 2447951), (11308, 1780328), (20231, 995104), (22616, 890164), (31097, 647392), (40462, 497552), (45232, 445082), (62194, 323696), (80924, 248776), (90464, 222541), (124388, 161848)]