20786315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5323}}^1$

素因数の和:5410

約数の個数: 16

約数和(自身を含む): 27599616

約数和(自身を除く): 6813301

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 5323, 26615, 58553, 292765, 377933, 1889665, 4157263, 20786315]

約数ペア:

[(1, 20786315), (5, 4157263), (11, 1889665), (55, 377933), (71, 292765), (355, 58553), (781, 26615), (3905, 5323)]