20159524

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 47496960

約数和(自身を除く): 27337436

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 37, 44, 58, 61, 74, 77, 116, 122, 148, 154, 203, 244, 259, 308, 319, 406, 407, 427, 518, 638, 671, 812, 814, 854, 1036, 1073, 1276, 1342, 1628, 1708, 1769, 2146, 2233, 2257, 2684, 2849, 3538, 4292, 4466, 4514, 4697, 5698, 7076, 7511, 8932, 9028, 9394, 11396, 11803, 12383, 15022, 15799, 18788, 19459, 23606, 24766, 24827, 30044, 31598, 38918, 47212, 49532, 49654, 63196, 65453, 77836, 82621, 99308, 130906, 136213, 165242, 173789, 261812, 272426, 330484, 347578, 458171, 544852, 695156, 719983, 916342, 1439966, 1832684, 2879932, 5039881, 10079762, 20159524]

約数ペア:

[(1, 20159524), (2, 10079762), (4, 5039881), (7, 2879932), (11, 1832684), (14, 1439966), (22, 916342), (28, 719983), (29, 695156), (37, 544852), (44, 458171), (58, 347578), (61, 330484), (74, 272426), (77, 261812), (116, 173789), (122, 165242), (148, 136213), (154, 130906), (203, 99308), (244, 82621), (259, 77836), (308, 65453), (319, 63196), (406, 49654), (407, 49532), (427, 47212), (518, 38918), (638, 31598), (671, 30044), (812, 24827), (814, 24766), (854, 23606), (1036, 19459), (1073, 18788), (1276, 15799), (1342, 15022), (1628, 12383), (1708, 11803), (1769, 11396), (2146, 9394), (2233, 9028), (2257, 8932), (2684, 7511), (2849, 7076), (3538, 5698), (4292, 4697), (4466, 4514)]