20177730020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144126643}}^1$

素因数の和:144126659

約数の個数: 24

約数和(自身を含む): 48426552384

約数和(自身を除く): 28248822364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144126643, 288253286, 576506572, 720633215, 1008886501, 1441266430, 2017773002, 2882532860, 4035546004, 5044432505, 10088865010, 20177730020]

約数ペア:

[(1, 20177730020), (2, 10088865010), (4, 5044432505), (5, 4035546004), (7, 2882532860), (10, 2017773002), (14, 1441266430), (20, 1008886501), (28, 720633215), (35, 576506572), (70, 288253286), (140, 144126643)]