20871304

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1693}}^1$

素因数の和:1789

約数の個数: 32

約数和(自身を含む): 41469120

約数和(自身を除く): 20597816

約数列:

[1, 2, 4, 8, 23, 46, 67, 92, 134, 184, 268, 536, 1541, 1693, 3082, 3386, 6164, 6772, 12328, 13544, 38939, 77878, 113431, 155756, 226862, 311512, 453724, 907448, 2608913, 5217826, 10435652, 20871304]

約数ペア:

[(1, 20871304), (2, 10435652), (4, 5217826), (8, 2608913), (23, 907448), (46, 453724), (67, 311512), (92, 226862), (134, 155756), (184, 113431), (268, 77878), (536, 38939), (1541, 13544), (1693, 12328), (3082, 6772), (3386, 6164)]