20193187

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{919}}^1$

素因数の和:1042

約数の個数: 16

約数和(自身を含む): 23964160

約数和(自身を除く): 3770973

約数列:

[1, 7, 43, 73, 301, 511, 919, 3139, 6433, 21973, 39517, 67087, 276619, 469609, 2884741, 20193187]

約数ペア:

[(1, 20193187), (7, 2884741), (43, 469609), (73, 276619), (301, 67087), (511, 39517), (919, 21973), (3139, 6433)]