20283375500

素因数分解:

$2^2\times 5^3\times {\mathrm{101}}^1\times {\mathrm{401651}}^1$

素因数の和:401771

約数の個数: 48

約数和(自身を含む): 44737606368

約数和(自身を除く): 24454230868

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 125, 202, 250, 404, 500, 505, 1010, 2020, 2525, 5050, 10100, 12625, 25250, 50500, 401651, 803302, 1606604, 2008255, 4016510, 8033020, 10041275, 20082550, 40165100, 40566751, 50206375, 81133502, 100412750, 162267004, 200825500, 202833755, 405667510, 811335020, 1014168775, 2028337550, 4056675100, 5070843875, 10141687750, 20283375500]

約数ペア:

[(1, 20283375500), (2, 10141687750), (4, 5070843875), (5, 4056675100), (10, 2028337550), (20, 1014168775), (25, 811335020), (50, 405667510), (100, 202833755), (101, 200825500), (125, 162267004), (202, 100412750), (250, 81133502), (404, 50206375), (500, 40566751), (505, 40165100), (1010, 20082550), (2020, 10041275), (2525, 8033020), (5050, 4016510), (10100, 2008255), (12625, 1606604), (25250, 803302), (50500, 401651)]