20127926

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 64

約数和(自身を含む): 39580800

約数和(自身を除く): 19452874

約数列:

[1, 2, 7, 13, 14, 26, 37, 49, 61, 74, 91, 98, 122, 182, 259, 343, 427, 481, 518, 637, 686, 793, 854, 962, 1274, 1586, 1813, 2257, 2989, 3367, 3626, 4459, 4514, 5551, 5978, 6734, 8918, 11102, 12691, 15799, 20923, 23569, 25382, 29341, 31598, 38857, 41846, 47138, 58682, 77714, 110593, 164983, 205387, 221186, 271999, 329966, 410774, 543998, 774151, 1437709, 1548302, 2875418, 10063963, 20127926]

約数ペア:

[(1, 20127926), (2, 10063963), (7, 2875418), (13, 1548302), (14, 1437709), (26, 774151), (37, 543998), (49, 410774), (61, 329966), (74, 271999), (91, 221186), (98, 205387), (122, 164983), (182, 110593), (259, 77714), (343, 58682), (427, 47138), (481, 41846), (518, 38857), (637, 31598), (686, 29341), (793, 25382), (854, 23569), (962, 20923), (1274, 15799), (1586, 12691), (1813, 11102), (2257, 8918), (2989, 6734), (3367, 5978), (3626, 5551), (4459, 4514)]