20120171585

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{4759}}^1\times {\mathrm{49739}}^1$

素因数の和:54520

約数の個数: 16

約数和(自身を含む): 25570339200

約数和(自身を除く): 5450167615

約数列:

[1, 5, 17, 85, 4759, 23795, 49739, 80903, 248695, 404515, 845563, 4227815, 236707901, 1183539505, 4024034317, 20120171585]

約数ペア:

[(1, 20120171585), (5, 4024034317), (17, 1183539505), (85, 236707901), (4759, 4227815), (23795, 845563), (49739, 404515), (80903, 248695)]