20948340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{49877}}^1$

素因数の和:49896

約数の個数: 48

約数和(自身を含む): 67036032

約数和(自身を除く): 46087692

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 49877, 99754, 149631, 199508, 249385, 299262, 349139, 498770, 598524, 698278, 748155, 997540, 1047417, 1396556, 1496310, 1745695, 2094834, 2992620, 3491390, 4189668, 5237085, 6982780, 10474170, 20948340]

約数ペア:

[(1, 20948340), (2, 10474170), (3, 6982780), (4, 5237085), (5, 4189668), (6, 3491390), (7, 2992620), (10, 2094834), (12, 1745695), (14, 1496310), (15, 1396556), (20, 1047417), (21, 997540), (28, 748155), (30, 698278), (35, 598524), (42, 498770), (60, 349139), (70, 299262), (84, 249385), (105, 199508), (140, 149631), (210, 99754), (420, 49877)]