20518158

素因数分解:

$2^1\times 3^1\times {\mathrm{1637}}^1\times {\mathrm{2089}}^1$

素因数の和:3731

約数の個数: 16

約数和(自身を含む): 41081040

約数和(自身を除く): 20562882

約数列:

[1, 2, 3, 6, 1637, 2089, 3274, 4178, 4911, 6267, 9822, 12534, 3419693, 6839386, 10259079, 20518158]

約数ペア:

[(1, 20518158), (2, 10259079), (3, 6839386), (6, 3419693), (1637, 12534), (2089, 9822), (3274, 6267), (4178, 4911)]