20420850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{136139}}^1$

素因数の和:136154

約数の個数: 24

約数和(自身を含む): 50644080

約数和(自身を除く): 30223230

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 136139, 272278, 408417, 680695, 816834, 1361390, 2042085, 3403475, 4084170, 6806950, 10210425, 20420850]

約数ペア:

[(1, 20420850), (2, 10210425), (3, 6806950), (5, 4084170), (6, 3403475), (10, 2042085), (15, 1361390), (25, 816834), (30, 680695), (50, 408417), (75, 272278), (150, 136139)]