20236896500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{941251}}^1$

素因数の和:941313

約数の個数: 48

約数和(自身を含む): 45225276096

約数和(自身を除く): 24988379596

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 430, 500, 860, 1075, 2150, 4300, 5375, 10750, 21500, 941251, 1882502, 3765004, 4706255, 9412510, 18825020, 23531275, 40473793, 47062550, 80947586, 94125100, 117656375, 161895172, 202368965, 235312750, 404737930, 470625500, 809475860, 1011844825, 2023689650, 4047379300, 5059224125, 10118448250, 20236896500]

約数ペア:

[(1, 20236896500), (2, 10118448250), (4, 5059224125), (5, 4047379300), (10, 2023689650), (20, 1011844825), (25, 809475860), (43, 470625500), (50, 404737930), (86, 235312750), (100, 202368965), (125, 161895172), (172, 117656375), (215, 94125100), (250, 80947586), (430, 47062550), (500, 40473793), (860, 23531275), (1075, 18825020), (2150, 9412510), (4300, 4706255), (5375, 3765004), (10750, 1882502), (21500, 941251)]