20109500

素因数分解:

$2^2\times 5^3\times {\mathrm{37}}^1\times {\mathrm{1087}}^1$

素因数の和:1143

約数の個数: 48

約数和(自身を含む): 45147648

約数和(自身を除く): 25038148

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 125, 148, 185, 250, 370, 500, 740, 925, 1087, 1850, 2174, 3700, 4348, 4625, 5435, 9250, 10870, 18500, 21740, 27175, 40219, 54350, 80438, 108700, 135875, 160876, 201095, 271750, 402190, 543500, 804380, 1005475, 2010950, 4021900, 5027375, 10054750, 20109500]

約数ペア:

[(1, 20109500), (2, 10054750), (4, 5027375), (5, 4021900), (10, 2010950), (20, 1005475), (25, 804380), (37, 543500), (50, 402190), (74, 271750), (100, 201095), (125, 160876), (148, 135875), (185, 108700), (250, 80438), (370, 54350), (500, 40219), (740, 27175), (925, 21740), (1087, 18500), (1850, 10870), (2174, 9250), (3700, 5435), (4348, 4625)]