20130180344

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{554123}}^1$

素因数の和:554387

約数の個数: 32

約数和(自身を含む): 39896928000

約数和(自身を除く): 19766747656

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 239, 478, 956, 1912, 4541, 9082, 18164, 36328, 554123, 1108246, 2216492, 4432984, 10528337, 21056674, 42113348, 84226696, 132435397, 264870794, 529741588, 1059483176, 2516272543, 5032545086, 10065090172, 20130180344]

約数ペア:

[(1, 20130180344), (2, 10065090172), (4, 5032545086), (8, 2516272543), (19, 1059483176), (38, 529741588), (76, 264870794), (152, 132435397), (239, 84226696), (478, 42113348), (956, 21056674), (1912, 10528337), (4541, 4432984), (9082, 2216492), (18164, 1108246), (36328, 554123)]