20565584205

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3391}}^1\times {\mathrm{17579}}^1$

素因数の和:21001

約数の個数: 32

約数和(自身を含む): 34347663360

約数和(自身を除く): 13782079155

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 3391, 10173, 16955, 17579, 50865, 52737, 77993, 87895, 233979, 263685, 389965, 404317, 1169895, 1212951, 2021585, 6064755, 59610389, 178831167, 298051945, 894155835, 1371038947, 4113116841, 6855194735, 20565584205]

約数ペア:

[(1, 20565584205), (3, 6855194735), (5, 4113116841), (15, 1371038947), (23, 894155835), (69, 298051945), (115, 178831167), (345, 59610389), (3391, 6064755), (10173, 2021585), (16955, 1212951), (17579, 1169895), (50865, 404317), (52737, 389965), (77993, 263685), (87895, 233979)]