20809315810

素因数分解:

$2^1\times 5^1\times {\mathrm{2083}}^1\times {\mathrm{999007}}^1$

素因数の和:1001097

約数の個数: 16

約数和(自身を含む): 37474788096

約数和(自身を除く): 16665472286

約数列:

[1, 2, 5, 10, 2083, 4166, 10415, 20830, 999007, 1998014, 4995035, 9990070, 2080931581, 4161863162, 10404657905, 20809315810]

約数ペア:

[(1, 20809315810), (2, 10404657905), (5, 4161863162), (10, 2080931581), (2083, 9990070), (4166, 4995035), (10415, 1998014), (20830, 999007)]