20556620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{146833}}^1$

素因数の和:146849

約数の個数: 24

約数和(自身を含む): 49336224

約数和(自身を除く): 28779604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 146833, 293666, 587332, 734165, 1027831, 1468330, 2055662, 2936660, 4111324, 5139155, 10278310, 20556620]

約数ペア:

[(1, 20556620), (2, 10278310), (4, 5139155), (5, 4111324), (7, 2936660), (10, 2055662), (14, 1468330), (20, 1027831), (28, 734165), (35, 587332), (70, 293666), (140, 146833)]