20320058

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13009}}^1$

素因数の和:13093

約数の個数: 16

約数和(自身を含む): 33721920

約数和(自身を除く): 13401862

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 13009, 26018, 143099, 286198, 923639, 1847278, 10160029, 20320058]

約数ペア:

[(1, 20320058), (2, 10160029), (11, 1847278), (22, 923639), (71, 286198), (142, 143099), (781, 26018), (1562, 13009)]