20590167

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{751}}^1$

素因数の和:823

約数の個数: 32

約数和(自身を含む): 32005120

約数和(自身を除く): 11414953

約数列:

[1, 3, 13, 19, 37, 39, 57, 111, 247, 481, 703, 741, 751, 1443, 2109, 2253, 9139, 9763, 14269, 27417, 27787, 29289, 42807, 83361, 185497, 361231, 527953, 556491, 1083693, 1583859, 6863389, 20590167]

約数ペア:

[(1, 20590167), (3, 6863389), (13, 1583859), (19, 1083693), (37, 556491), (39, 527953), (57, 361231), (111, 185497), (247, 83361), (481, 42807), (703, 29289), (741, 27787), (751, 27417), (1443, 14269), (2109, 9763), (2253, 9139)]