20157803216

素因数分解:

$2^4\times {\mathrm{1259862701}}^1$

素因数の和:1259862709

約数の個数: 10

約数和(自身を含む): 39055743762

約数和(自身を除く): 18897940546

約数列:

[1, 2, 4, 8, 16, 1259862701, 2519725402, 5039450804, 10078901608, 20157803216]

約数ペア:

[(1, 20157803216), (2, 10078901608), (4, 5039450804), (8, 2519725402), (16, 1259862701)]