20658902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{5623}}^1$

素因数の和:5803

約数の個数: 16

約数和(自身を含む): 34013952

約数和(自身を除く): 13355050

約数列:

[1, 2, 11, 22, 167, 334, 1837, 3674, 5623, 11246, 61853, 123706, 939041, 1878082, 10329451, 20658902]

約数ペア:

[(1, 20658902), (2, 10329451), (11, 1878082), (22, 939041), (167, 123706), (334, 61853), (1837, 11246), (3674, 5623)]