20769903

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:125

約数の個数: 96

約数和(自身を含む): 41513472

約数和(自身を除く): 20743569

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 41, 43, 51, 63, 77, 99, 119, 123, 129, 153, 187, 231, 287, 301, 357, 369, 387, 451, 473, 561, 693, 697, 731, 861, 903, 1071, 1309, 1353, 1419, 1683, 1763, 2091, 2193, 2583, 2709, 3157, 3311, 3927, 4059, 4257, 4879, 5117, 5289, 6273, 6579, 7667, 8041, 9471, 9933, 11781, 12341, 14637, 15351, 15867, 19393, 23001, 24123, 28413, 29799, 29971, 37023, 43911, 46053, 53669, 56287, 58179, 69003, 72369, 89913, 111069, 135751, 161007, 168861, 174537, 209797, 269739, 329681, 407253, 483021, 506583, 629391, 989043, 1221759, 1888173, 2307767, 2967129, 6923301, 20769903]

約数ペア:

[(1, 20769903), (3, 6923301), (7, 2967129), (9, 2307767), (11, 1888173), (17, 1221759), (21, 989043), (33, 629391), (41, 506583), (43, 483021), (51, 407253), (63, 329681), (77, 269739), (99, 209797), (119, 174537), (123, 168861), (129, 161007), (153, 135751), (187, 111069), (231, 89913), (287, 72369), (301, 69003), (357, 58179), (369, 56287), (387, 53669), (451, 46053), (473, 43911), (561, 37023), (693, 29971), (697, 29799), (731, 28413), (861, 24123), (903, 23001), (1071, 19393), (1309, 15867), (1353, 15351), (1419, 14637), (1683, 12341), (1763, 11781), (2091, 9933), (2193, 9471), (2583, 8041), (2709, 7667), (3157, 6579), (3311, 6273), (3927, 5289), (4059, 5117), (4257, 4879)]