20054966127

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1$

素因数の和:602

約数の個数: 128

約数和(自身を含む): 34664448000

約数和(自身を除く): 14609481873

約数列:

[1, 3, 7, 19, 21, 23, 49, 57, 69, 103, 133, 147, 161, 309, 343, 399, 433, 437, 483, 721, 931, 1029, 1127, 1299, 1311, 1957, 2163, 2369, 2793, 3031, 3059, 3381, 5047, 5871, 6517, 7107, 7889, 8227, 9093, 9177, 9959, 13699, 15141, 16583, 19551, 21217, 21413, 23667, 24681, 29877, 35329, 41097, 44599, 45011, 49749, 57589, 63651, 64239, 69713, 95893, 105987, 116081, 133797, 135033, 148519, 149891, 172767, 189221, 209139, 287679, 312193, 315077, 348243, 403123, 445557, 449673, 487991, 567663, 671251, 812567, 847381, 936579, 945231, 1025777, 1209369, 1324547, 1463973, 2013753, 2185351, 2205539, 2437701, 2542143, 2821861, 3077331, 3415937, 3973641, 5931667, 6556053, 6616617, 7180439, 8465583, 9271829, 10247811, 15297457, 15438773, 17795001, 19489763, 21541317, 27815487, 41521669, 45892371, 46316319, 50263073, 58469289, 64902803, 124565007, 136428341, 150789219, 194708409, 290651683, 351841511, 409285023, 871955049, 954998387, 1055524533, 2864995161, 6684988709, 20054966127]

約数ペア:

[(1, 20054966127), (3, 6684988709), (7, 2864995161), (19, 1055524533), (21, 954998387), (23, 871955049), (49, 409285023), (57, 351841511), (69, 290651683), (103, 194708409), (133, 150789219), (147, 136428341), (161, 124565007), (309, 64902803), (343, 58469289), (399, 50263073), (433, 46316319), (437, 45892371), (483, 41521669), (721, 27815487), (931, 21541317), (1029, 19489763), (1127, 17795001), (1299, 15438773), (1311, 15297457), (1957, 10247811), (2163, 9271829), (2369, 8465583), (2793, 7180439), (3031, 6616617), (3059, 6556053), (3381, 5931667), (5047, 3973641), (5871, 3415937), (6517, 3077331), (7107, 2821861), (7889, 2542143), (8227, 2437701), (9093, 2205539), (9177, 2185351), (9959, 2013753), (13699, 1463973), (15141, 1324547), (16583, 1209369), (19551, 1025777), (21217, 945231), (21413, 936579), (23667, 847381), (24681, 812567), (29877, 671251), (35329, 567663), (41097, 487991), (44599, 449673), (45011, 445557), (49749, 403123), (57589, 348243), (63651, 315077), (64239, 312193), (69713, 287679), (95893, 209139), (105987, 189221), (116081, 172767), (133797, 149891), (135033, 148519)]