20217070

素因数分解:

$2^1\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{1823}}^1$

素因数の和:2939

約数の個数: 16

約数和(自身を含む): 36443520

約数和(自身を除く): 16226450

約数列:

[1, 2, 5, 10, 1109, 1823, 2218, 3646, 5545, 9115, 11090, 18230, 2021707, 4043414, 10108535, 20217070]

約数ペア:

[(1, 20217070), (2, 10108535), (5, 4043414), (10, 2021707), (1109, 18230), (1823, 11090), (2218, 9115), (3646, 5545)]