20487712

素因数分解:

$2^5\times 7^1\times {\mathrm{91463}}^1$

素因数の和:91480

約数の個数: 24

約数和(自身を含む): 46097856

約数和(自身を除く): 25610144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 91463, 182926, 365852, 640241, 731704, 1280482, 1463408, 2560964, 2926816, 5121928, 10243856, 20487712]

約数ペア:

[(1, 20487712), (2, 10243856), (4, 5121928), (7, 2926816), (8, 2560964), (14, 1463408), (16, 1280482), (28, 731704), (32, 640241), (56, 365852), (112, 182926), (224, 91463)]