20109928

素因数分解:

$2^3\times {\mathrm{557}}^1\times {\mathrm{4513}}^1$

素因数の和:5076

約数の個数: 16

約数和(自身を含む): 37782180

約数和(自身を除く): 17672252

約数列:

[1, 2, 4, 8, 557, 1114, 2228, 4456, 4513, 9026, 18052, 36104, 2513741, 5027482, 10054964, 20109928]

約数ペア:

[(1, 20109928), (2, 10054964), (4, 5027482), (8, 2513741), (557, 36104), (1114, 18052), (2228, 9026), (4456, 4513)]