20115740

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3631}}^1$

素因数の和:3917

約数の個数: 24

約数和(自身を含む): 42407232

約数和(自身を除く): 22291492

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 3631, 5540, 7262, 14524, 18155, 36310, 72620, 1005787, 2011574, 4023148, 5028935, 10057870, 20115740]

約数ペア:

[(1, 20115740), (2, 10057870), (4, 5028935), (5, 4023148), (10, 2011574), (20, 1005787), (277, 72620), (554, 36310), (1108, 18155), (1385, 14524), (2770, 7262), (3631, 5540)]