20819568

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:203

約数の個数: 160

約数和(自身を含む): 69138432

約数和(自身を除く): 48318864

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 43, 44, 48, 56, 66, 77, 84, 86, 88, 112, 129, 131, 132, 154, 168, 172, 176, 231, 258, 262, 264, 301, 308, 336, 344, 393, 462, 473, 516, 524, 528, 602, 616, 688, 786, 903, 917, 924, 946, 1032, 1048, 1204, 1232, 1419, 1441, 1572, 1806, 1834, 1848, 1892, 2064, 2096, 2408, 2751, 2838, 2882, 3144, 3311, 3612, 3668, 3696, 3784, 4323, 4816, 5502, 5633, 5676, 5764, 6288, 6622, 7224, 7336, 7568, 8646, 9933, 10087, 11004, 11266, 11352, 11528, 13244, 14448, 14672, 16899, 17292, 19866, 20174, 22008, 22532, 22704, 23056, 26488, 30261, 33798, 34584, 39431, 39732, 40348, 44016, 45064, 52976, 60522, 61963, 67596, 69168, 78862, 79464, 80696, 90128, 118293, 121044, 123926, 135192, 157724, 158928, 161392, 185889, 236586, 242088, 247852, 270384, 315448, 371778, 433741, 473172, 484176, 495704, 630896, 743556, 867482, 946344, 991408, 1301223, 1487112, 1734964, 1892688, 2602446, 2974224, 3469928, 5204892, 6939856, 10409784, 20819568]

約数ペア:

[(1, 20819568), (2, 10409784), (3, 6939856), (4, 5204892), (6, 3469928), (7, 2974224), (8, 2602446), (11, 1892688), (12, 1734964), (14, 1487112), (16, 1301223), (21, 991408), (22, 946344), (24, 867482), (28, 743556), (33, 630896), (42, 495704), (43, 484176), (44, 473172), (48, 433741), (56, 371778), (66, 315448), (77, 270384), (84, 247852), (86, 242088), (88, 236586), (112, 185889), (129, 161392), (131, 158928), (132, 157724), (154, 135192), (168, 123926), (172, 121044), (176, 118293), (231, 90128), (258, 80696), (262, 79464), (264, 78862), (301, 69168), (308, 67596), (336, 61963), (344, 60522), (393, 52976), (462, 45064), (473, 44016), (516, 40348), (524, 39732), (528, 39431), (602, 34584), (616, 33798), (688, 30261), (786, 26488), (903, 23056), (917, 22704), (924, 22532), (946, 22008), (1032, 20174), (1048, 19866), (1204, 17292), (1232, 16899), (1419, 14672), (1441, 14448), (1572, 13244), (1806, 11528), (1834, 11352), (1848, 11266), (1892, 11004), (2064, 10087), (2096, 9933), (2408, 8646), (2751, 7568), (2838, 7336), (2882, 7224), (3144, 6622), (3311, 6288), (3612, 5764), (3668, 5676), (3696, 5633), (3784, 5502), (4323, 4816)]