20786784190

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{433}}^1\times {\mathrm{34537}}^1$

素因数の和:35116

約数の個数: 32

約数和(自身を含む): 37773519840

約数和(自身を除く): 16986735650

約数列:

[1, 2, 5, 10, 139, 278, 433, 695, 866, 1390, 2165, 4330, 34537, 60187, 69074, 120374, 172685, 300935, 345370, 601870, 4800643, 9601286, 14954521, 24003215, 29909042, 48006430, 74772605, 149545210, 2078678419, 4157356838, 10393392095, 20786784190]

約数ペア:

[(1, 20786784190), (2, 10393392095), (5, 4157356838), (10, 2078678419), (139, 149545210), (278, 74772605), (433, 48006430), (695, 29909042), (866, 24003215), (1390, 14954521), (2165, 9601286), (4330, 4800643), (34537, 601870), (60187, 345370), (69074, 300935), (120374, 172685)]