20178704920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45860693}}^1$

素因数の和:45860715

約数の個数: 32

約数和(自身を含む): 49529549520

約数和(自身を除く): 29350844600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 45860693, 91721386, 183442772, 229303465, 366885544, 458606930, 504467623, 917213860, 1008935246, 1834427720, 2017870492, 2522338115, 4035740984, 5044676230, 10089352460, 20178704920]

約数ペア:

[(1, 20178704920), (2, 10089352460), (4, 5044676230), (5, 4035740984), (8, 2522338115), (10, 2017870492), (11, 1834427720), (20, 1008935246), (22, 917213860), (40, 504467623), (44, 458606930), (55, 366885544), (88, 229303465), (110, 183442772), (220, 91721386), (440, 45860693)]