20937142

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1\times {\mathrm{821}}^1$

素因数の和:1175

約数の個数: 16

約数和(自身を含む): 32314464

約数和(自身を除く): 11377322

約数列:

[1, 2, 41, 82, 311, 622, 821, 1642, 12751, 25502, 33661, 67322, 255331, 510662, 10468571, 20937142]

約数ペア:

[(1, 20937142), (2, 10468571), (41, 510662), (82, 255331), (311, 67322), (622, 33661), (821, 25502), (1642, 12751)]