2019640900

素因数分解:

$2^2\times 5^2\times {\mathrm{20196409}}^1$

素因数の和:20196423

約数の個数: 18

約数和(自身を含む): 4382620970

約数和(自身を除く): 2362980070

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 20196409, 40392818, 80785636, 100982045, 201964090, 403928180, 504910225, 1009820450, 2019640900]

約数ペア:

[(1, 2019640900), (2, 1009820450), (4, 504910225), (5, 403928180), (10, 201964090), (20, 100982045), (25, 80785636), (50, 40392818), (100, 20196409)]