20470690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89003}}^1$

素因数の和:89033

約数の個数: 16

約数和(自身を含む): 38449728

約数和(自身を除く): 17979038

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 89003, 178006, 445015, 890030, 2047069, 4094138, 10235345, 20470690]

約数ペア:

[(1, 20470690), (2, 10235345), (5, 4094138), (10, 2047069), (23, 890030), (46, 445015), (115, 178006), (230, 89003)]