204710020

素因数分解:

$2^2\times 5^1\times {\mathrm{1187}}^1\times {\mathrm{8623}}^1$

素因数の和:9819

約数の個数: 24

約数和(自身を含む): 430303104

約数和(自身を除く): 225593084

約数列:

[1, 2, 4, 5, 10, 20, 1187, 2374, 4748, 5935, 8623, 11870, 17246, 23740, 34492, 43115, 86230, 172460, 10235501, 20471002, 40942004, 51177505, 102355010, 204710020]

約数ペア:

[(1, 204710020), (2, 102355010), (4, 51177505), (5, 40942004), (10, 20471002), (20, 10235501), (1187, 172460), (2374, 86230), (4748, 43115), (5935, 34492), (8623, 23740), (11870, 17246)]