20436143

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3163}}^1$

素因数の和:3254

約数の個数: 16

約数和(自身を含む): 25514496

約数和(自身を除く): 5078353

約数列:

[1, 7, 13, 71, 91, 497, 923, 3163, 6461, 22141, 41119, 224573, 287833, 1572011, 2919449, 20436143]

約数ペア:

[(1, 20436143), (7, 2919449), (13, 1572011), (71, 287833), (91, 224573), (497, 41119), (923, 22141), (3163, 6461)]