20604568

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{673}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 40035600

約数和(自身を除く): 19431032

約数列:

[1, 2, 4, 8, 43, 86, 89, 172, 178, 344, 356, 673, 712, 1346, 2692, 3827, 5384, 7654, 15308, 28939, 30616, 57878, 59897, 115756, 119794, 231512, 239588, 479176, 2575571, 5151142, 10302284, 20604568]

約数ペア:

[(1, 20604568), (2, 10302284), (4, 5151142), (8, 2575571), (43, 479176), (86, 239588), (89, 231512), (172, 119794), (178, 115756), (344, 59897), (356, 57878), (673, 30616), (712, 28939), (1346, 15308), (2692, 7654), (3827, 5384)]