20004216519

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1559}}^1\times {\mathrm{32159}}^1$

素因数の和:33747

約数の個数: 32

約数和(自身を含む): 32108544000

約数和(自身を除く): 12104327481

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1559, 4677, 10913, 29621, 32159, 32739, 88863, 96477, 207347, 225113, 611021, 622041, 675339, 1833063, 4277147, 12831441, 50135881, 150407643, 350951167, 952581739, 1052853501, 2857745217, 6668072173, 20004216519]

約数ペア:

[(1, 20004216519), (3, 6668072173), (7, 2857745217), (19, 1052853501), (21, 952581739), (57, 350951167), (133, 150407643), (399, 50135881), (1559, 12831441), (4677, 4277147), (10913, 1833063), (29621, 675339), (32159, 622041), (32739, 611021), (88863, 225113), (96477, 207347)]