20607416

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 39592800

約数和(自身を除く): 18985384

約数列:

[1, 2, 4, 8, 89, 103, 178, 206, 281, 356, 412, 562, 712, 824, 1124, 2248, 9167, 18334, 25009, 28943, 36668, 50018, 57886, 73336, 100036, 115772, 200072, 231544, 2575927, 5151854, 10303708, 20607416]

約数ペア:

[(1, 20607416), (2, 10303708), (4, 5151854), (8, 2575927), (89, 231544), (103, 200072), (178, 115772), (206, 100036), (281, 73336), (356, 57886), (412, 50018), (562, 36668), (712, 28943), (824, 25009), (1124, 18334), (2248, 9167)]