20515747575

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{11893187}}^1$

素因数の和:11893223

約数の個数: 24

約数和(自身を含む): 35394127488

約数和(自身を除く): 14878379913

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 11893187, 35679561, 59465935, 178397805, 273543301, 297329675, 820629903, 891989025, 1367716505, 4103149515, 6838582525, 20515747575]

約数ペア:

[(1, 20515747575), (3, 6838582525), (5, 4103149515), (15, 1367716505), (23, 891989025), (25, 820629903), (69, 297329675), (75, 273543301), (115, 178397805), (345, 59465935), (575, 35679561), (1725, 11893187)]