2420512521820

素因数分解:

$2^2\times 5^1\times {\mathrm{21317}}^1\times {\mathrm{5677423}}^1$

素因数の和:5698749

約数の個数: 24

約数和(自身を含む): 5083315642944

約数和(自身を除く): 2662803121124

約数列:

[1, 2, 4, 5, 10, 20, 21317, 42634, 85268, 106585, 213170, 426340, 5677423, 11354846, 22709692, 28387115, 56774230, 113548460, 121025626091, 242051252182, 484102504364, 605128130455, 1210256260910, 2420512521820]

約数ペア:

[(1, 2420512521820), (2, 1210256260910), (4, 605128130455), (5, 484102504364), (10, 242051252182), (20, 121025626091), (21317, 113548460), (42634, 56774230), (85268, 28387115), (106585, 22709692), (213170, 11354846), (426340, 5677423)]