20158476484

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{70980551}}^1$

素因数の和:70980626

約数の個数: 12

約数和(自身を含む): 35774198208

約数和(自身を除く): 15615721724

約数列:

[1, 2, 4, 71, 142, 284, 70980551, 141961102, 283922204, 5039619121, 10079238242, 20158476484]

約数ペア:

[(1, 20158476484), (2, 10079238242), (4, 5039619121), (71, 283922204), (142, 141961102), (284, 70980551)]