54420020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{20771}}^1$

素因数の和:20911

約数の個数: 24

約数和(自身を含む): 115159968

約数和(自身を除く): 60739948

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 20771, 41542, 83084, 103855, 207710, 415420, 2721001, 5442002, 10884004, 13605005, 27210010, 54420020]

約数ペア:

[(1, 54420020), (2, 27210010), (4, 13605005), (5, 10884004), (10, 5442002), (20, 2721001), (131, 415420), (262, 207710), (524, 103855), (655, 83084), (1310, 41542), (2620, 20771)]