20931288

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5417}}^1$

素因数の和:5456

約数の個数: 64

約数和(自身を含む): 62415360

約数和(自身を除く): 41484072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 138, 161, 168, 184, 276, 322, 483, 552, 644, 966, 1288, 1932, 3864, 5417, 10834, 16251, 21668, 32502, 37919, 43336, 65004, 75838, 113757, 124591, 130008, 151676, 227514, 249182, 303352, 373773, 455028, 498364, 747546, 872137, 910056, 996728, 1495092, 1744274, 2616411, 2990184, 3488548, 5232822, 6977096, 10465644, 20931288]

約数ペア:

[(1, 20931288), (2, 10465644), (3, 6977096), (4, 5232822), (6, 3488548), (7, 2990184), (8, 2616411), (12, 1744274), (14, 1495092), (21, 996728), (23, 910056), (24, 872137), (28, 747546), (42, 498364), (46, 455028), (56, 373773), (69, 303352), (84, 249182), (92, 227514), (138, 151676), (161, 130008), (168, 124591), (184, 113757), (276, 75838), (322, 65004), (483, 43336), (552, 37919), (644, 32502), (966, 21668), (1288, 16251), (1932, 10834), (3864, 5417)]