20154690448

素因数分解:

$2^4\times {\mathrm{449}}^1\times {\mathrm{2805497}}^1$

素因数の和:2805954

約数の個数: 20

約数和(自身を含む): 39136697100

約数和(自身を除く): 18982006652

約数列:

[1, 2, 4, 8, 16, 449, 898, 1796, 3592, 7184, 2805497, 5610994, 11221988, 22443976, 44887952, 1259668153, 2519336306, 5038672612, 10077345224, 20154690448]

約数ペア:

[(1, 20154690448), (2, 10077345224), (4, 5038672612), (8, 2519336306), (16, 1259668153), (449, 44887952), (898, 22443976), (1796, 11221988), (3592, 5610994), (7184, 2805497)]