20916046

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{991}}^1$

素因数の和:1227

約数の個数: 16

約数和(自身を含む): 32105088

約数和(自身を除く): 11189042

約数列:

[1, 2, 61, 122, 173, 346, 991, 1982, 10553, 21106, 60451, 120902, 171443, 342886, 10458023, 20916046]

約数ペア:

[(1, 20916046), (2, 10458023), (61, 342886), (122, 171443), (173, 120902), (346, 60451), (991, 21106), (1982, 10553)]