20587335

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 33841152

約数和(自身を除く): 13253817

約数列:

[1, 3, 5, 15, 101, 107, 127, 303, 321, 381, 505, 535, 635, 1515, 1605, 1905, 10807, 12827, 13589, 32421, 38481, 40767, 54035, 64135, 67945, 162105, 192405, 203835, 1372489, 4117467, 6862445, 20587335]

約数ペア:

[(1, 20587335), (3, 6862445), (5, 4117467), (15, 1372489), (101, 203835), (107, 192405), (127, 162105), (303, 67945), (321, 64135), (381, 54035), (505, 40767), (535, 38481), (635, 32421), (1515, 13589), (1605, 12827), (1905, 10807)]