20020915

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{769}}^1$

素因数の和:942

約数の個数: 16

約数和(自身を含む): 24837120

約数和(自身を除く): 4816205

約数列:

[1, 5, 41, 127, 205, 635, 769, 3845, 5207, 26035, 31529, 97663, 157645, 488315, 4004183, 20020915]

約数ペア:

[(1, 20020915), (5, 4004183), (41, 488315), (127, 157645), (205, 97663), (635, 31529), (769, 26035), (3845, 5207)]