20138898

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 26309742

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 107, 114, 127, 214, 247, 254, 321, 381, 494, 642, 741, 762, 1391, 1482, 1651, 2033, 2413, 2782, 3302, 4066, 4173, 4826, 4953, 6099, 7239, 8346, 9906, 12198, 13589, 14478, 26429, 27178, 31369, 40767, 52858, 62738, 79287, 81534, 94107, 158574, 176657, 188214, 258191, 353314, 516382, 529971, 774573, 1059942, 1549146, 3356483, 6712966, 10069449, 20138898]

約数ペア:

[(1, 20138898), (2, 10069449), (3, 6712966), (6, 3356483), (13, 1549146), (19, 1059942), (26, 774573), (38, 529971), (39, 516382), (57, 353314), (78, 258191), (107, 188214), (114, 176657), (127, 158574), (214, 94107), (247, 81534), (254, 79287), (321, 62738), (381, 52858), (494, 40767), (642, 31369), (741, 27178), (762, 26429), (1391, 14478), (1482, 13589), (1651, 12198), (2033, 9906), (2413, 8346), (2782, 7239), (3302, 6099), (4066, 4953), (4173, 4826)]