20091874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{5279}}^1$

素因数の和:5465

約数の個数: 16

約数和(自身を含む): 33073920

約数和(自身を除く): 12982046

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 5279, 10558, 58069, 116138, 913267, 1826534, 10045937, 20091874]

約数ペア:

[(1, 20091874), (2, 10045937), (11, 1826534), (22, 913267), (173, 116138), (346, 58069), (1903, 10558), (3806, 5279)]