20197980188

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{162886937}}^1$

素因数の和:162886972

約数の個数: 12

約数和(自身を含む): 36486674112

約数和(自身を除く): 16288693924

約数列:

[1, 2, 4, 31, 62, 124, 162886937, 325773874, 651547748, 5049495047, 10098990094, 20197980188]

約数ペア:

[(1, 20197980188), (2, 10098990094), (4, 5049495047), (31, 651547748), (62, 325773874), (124, 162886937)]