121152020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{550691}}^1$

素因数の和:550711

約数の個数: 24

約数和(自身を含む): 277548768

約数和(自身を除く): 156396748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 550691, 1101382, 2202764, 2753455, 5506910, 6057601, 11013820, 12115202, 24230404, 30288005, 60576010, 121152020]

約数ペア:

[(1, 121152020), (2, 60576010), (4, 30288005), (5, 24230404), (10, 12115202), (11, 11013820), (20, 6057601), (22, 5506910), (44, 2753455), (55, 2202764), (110, 1101382), (220, 550691)]