20538553688

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{2003}}^1\times {\mathrm{27271}}^1$

素因数の和:29327

約数の個数: 32

約数和(自身を含む): 39350223360

約数和(自身を除く): 18811669672

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 2003, 4006, 8012, 16024, 27271, 54542, 94141, 109084, 188282, 218168, 376564, 753128, 1281737, 2563474, 5126948, 10253896, 54623813, 109247626, 218495252, 436990504, 2567319211, 5134638422, 10269276844, 20538553688]

約数ペア:

[(1, 20538553688), (2, 10269276844), (4, 5134638422), (8, 2567319211), (47, 436990504), (94, 218495252), (188, 109247626), (376, 54623813), (2003, 10253896), (4006, 5126948), (8012, 2563474), (16024, 1281737), (27271, 753128), (54542, 376564), (94141, 218168), (109084, 188282)]