20939500

素因数分解:

$2^2\times 5^3\times {\mathrm{41879}}^1$

素因数の和:41898

約数の個数: 24

約数和(自身を含む): 45732960

約数和(自身を除く): 24793460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 41879, 83758, 167516, 209395, 418790, 837580, 1046975, 2093950, 4187900, 5234875, 10469750, 20939500]

約数ペア:

[(1, 20939500), (2, 10469750), (4, 5234875), (5, 4187900), (10, 2093950), (20, 1046975), (25, 837580), (50, 418790), (100, 209395), (125, 167516), (250, 83758), (500, 41879)]