20386310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1627}}^1$

素因数の和:1820

約数の個数: 32

約数和(自身を含む): 42197760

約数和(自身を除く): 21811450

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 179, 358, 895, 1253, 1627, 1790, 2506, 3254, 6265, 8135, 11389, 12530, 16270, 22778, 56945, 113890, 291233, 582466, 1456165, 2038631, 2912330, 4077262, 10193155, 20386310]

約数ペア:

[(1, 20386310), (2, 10193155), (5, 4077262), (7, 2912330), (10, 2038631), (14, 1456165), (35, 582466), (70, 291233), (179, 113890), (358, 56945), (895, 22778), (1253, 16270), (1627, 12530), (1790, 11389), (2506, 8135), (3254, 6265)]