20931001

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3433}}^1$

素因数の和:3520

約数の個数: 16

約数和(自身を含む): 26153344

約数和(自身を除く): 5222343

約数列:

[1, 7, 13, 67, 91, 469, 871, 3433, 6097, 24031, 44629, 230011, 312403, 1610077, 2990143, 20931001]

約数ペア:

[(1, 20931001), (7, 2990143), (13, 1610077), (67, 312403), (91, 230011), (469, 44629), (871, 24031), (3433, 6097)]