20784003

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{1951}}^1$

素因数の和:2074

約数の個数: 16

約数和(自身を含む): 28670976

約数和(自身を除く): 7886973

約数列:

[1, 3, 53, 67, 159, 201, 1951, 3551, 5853, 10653, 103403, 130717, 310209, 392151, 6928001, 20784003]

約数ペア:

[(1, 20784003), (3, 6928001), (53, 392151), (67, 310209), (159, 130717), (201, 103403), (1951, 10653), (3551, 5853)]