20488270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9803}}^1$

素因数の和:9840

約数の個数: 32

約数和(自身を含む): 42353280

約数和(自身を除く): 21865010

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 9803, 19606, 49015, 98030, 107833, 186257, 215666, 372514, 539165, 931285, 1078330, 1862570, 2048827, 4097654, 10244135, 20488270]

約数ペア:

[(1, 20488270), (2, 10244135), (5, 4097654), (10, 2048827), (11, 1862570), (19, 1078330), (22, 931285), (38, 539165), (55, 372514), (95, 215666), (110, 186257), (190, 107833), (209, 98030), (418, 49015), (1045, 19606), (2090, 9803)]