20794051240

素因数分解:

$2^3\times 5^1\times {\mathrm{519851281}}^1$

素因数の和:519851292

約数の個数: 16

約数和(自身を含む): 46786615380

約数和(自身を除く): 25992564140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 519851281, 1039702562, 2079405124, 2599256405, 4158810248, 5198512810, 10397025620, 20794051240]

約数ペア:

[(1, 20794051240), (2, 10397025620), (4, 5198512810), (5, 4158810248), (8, 2599256405), (10, 2079405124), (20, 1039702562), (40, 519851281)]