20215816

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{28393}}^1$

素因数の和:28488

約数の個数: 16

約数和(自身を含む): 38331900

約数和(自身を除く): 18116084

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 28393, 56786, 113572, 227144, 2526977, 5053954, 10107908, 20215816]

約数ペア:

[(1, 20215816), (2, 10107908), (4, 5053954), (8, 2526977), (89, 227144), (178, 113572), (356, 56786), (712, 28393)]