2020009072

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{1778177}}^1$

素因数の和:1778256

約数の個数: 20

約数和(自身を含む): 3968893296

約数和(自身を除く): 1948884224

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 1778177, 3556354, 7112708, 14225416, 28450832, 126250567, 252501134, 505002268, 1010004536, 2020009072]

約数ペア:

[(1, 2020009072), (2, 1010004536), (4, 505002268), (8, 252501134), (16, 126250567), (71, 28450832), (142, 14225416), (284, 7112708), (568, 3556354), (1136, 1778177)]