27720220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126001}}^1$

素因数の和:126021

約数の個数: 24

約数和(自身を含む): 63505008

約数和(自身を除く): 35784788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 126001, 252002, 504004, 630005, 1260010, 1386011, 2520020, 2772022, 5544044, 6930055, 13860110, 27720220]

約数ペア:

[(1, 27720220), (2, 13860110), (4, 6930055), (5, 5544044), (10, 2772022), (11, 2520020), (20, 1386011), (22, 1260010), (44, 630005), (55, 504004), (110, 252002), (220, 126001)]