20870675

素因数分解:

$5^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{499}}^1$

素因数の和:755

約数の個数: 24

約数和(自身を含む): 29760000

約数和(自身を除く): 8889325

約数列:

[1, 5, 7, 25, 35, 175, 239, 499, 1195, 1673, 2495, 3493, 5975, 8365, 12475, 17465, 41825, 87325, 119261, 596305, 834827, 2981525, 4174135, 20870675]

約数ペア:

[(1, 20870675), (5, 4174135), (7, 2981525), (25, 834827), (35, 596305), (175, 119261), (239, 87325), (499, 41825), (1195, 17465), (1673, 12475), (2495, 8365), (3493, 5975)]