20587128

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{18251}}^1$

素因数の和:18307

約数の個数: 32

約数和(自身を含む): 52565760

約数和(自身を除く): 31978632

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 18251, 36502, 54753, 73004, 109506, 146008, 219012, 438024, 857797, 1715594, 2573391, 3431188, 5146782, 6862376, 10293564, 20587128]

約数ペア:

[(1, 20587128), (2, 10293564), (3, 6862376), (4, 5146782), (6, 3431188), (8, 2573391), (12, 1715594), (24, 857797), (47, 438024), (94, 219012), (141, 146008), (188, 109506), (282, 73004), (376, 54753), (564, 36502), (1128, 18251)]