20630825

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 26516160

約数和(自身を除く): 5885335

約数列:

[1, 5, 25, 59, 71, 197, 295, 355, 985, 1475, 1775, 4189, 4925, 11623, 13987, 20945, 58115, 69935, 104725, 290575, 349675, 825233, 4126165, 20630825]

約数ペア:

[(1, 20630825), (5, 4126165), (25, 825233), (59, 349675), (71, 290575), (197, 104725), (295, 69935), (355, 58115), (985, 20945), (1475, 13987), (1775, 11623), (4189, 4925)]