688592020

素因数分解:

$2^2\times 5^1\times {\mathrm{34429601}}^1$

素因数の和:34429610

約数の個数: 12

約数和(自身を含む): 1446043284

約数和(自身を除く): 757451264

約数列:

[1, 2, 4, 5, 10, 20, 34429601, 68859202, 137718404, 172148005, 344296010, 688592020]

約数ペア:

[(1, 688592020), (2, 344296010), (4, 172148005), (5, 137718404), (10, 68859202), (20, 34429601)]