20017814

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{1723}}^1$

素因数の和:1919

約数の個数: 16

約数和(自身を含む): 31052688

約数和(自身を除く): 11034874

約数列:

[1, 2, 37, 74, 157, 314, 1723, 3446, 5809, 11618, 63751, 127502, 270511, 541022, 10008907, 20017814]

約数ペア:

[(1, 20017814), (2, 10008907), (37, 541022), (74, 270511), (157, 127502), (314, 63751), (1723, 11618), (3446, 5809)]