20850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{139}}^1$

素因数の和:154

約数の個数: 24

約数和(自身を含む): 52080

約数和(自身を除く): 31230

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 139, 150, 278, 417, 695, 834, 1390, 2085, 3475, 4170, 6950, 10425, 20850]

約数ペア:

[(1, 20850), (2, 10425), (3, 6950), (5, 4170), (6, 3475), (10, 2085), (15, 1390), (25, 834), (30, 695), (50, 417), (75, 278), (139, 150)]