20807944

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{83903}}^1$

素因数の和:83940

約数の個数: 16

約数和(自身を含む): 40273920

約数和(自身を除く): 19465976

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 83903, 167806, 335612, 671224, 2600993, 5201986, 10403972, 20807944]

約数ペア:

[(1, 20807944), (2, 10403972), (4, 5201986), (8, 2600993), (31, 671224), (62, 335612), (124, 167806), (248, 83903)]