20517936.000000000

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{3781993}}^1$

素因数の和:3782003

約数の個数: 16

約数和(自身を含む): 272303568

約数和(自身を除く): 158843778

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 3781993, 7563986, 11345979, 18909965, 22691958, 37819930, 56729895, 113459790]

約数ペア:

[(1, 113459790), (2, 56729895), (3, 37819930), (5, 22691958), (6, 18909965), (10, 11345979), (15, 7563986), (30, 3781993)]