20615368

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{18539}}^1$

素因数の和:18684

約数の個数: 16

約数和(自身を含む): 38934000

約数和(自身を除く): 18318632

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 18539, 37078, 74156, 148312, 2576921, 5153842, 10307684, 20615368]

約数ペア:

[(1, 20615368), (2, 10307684), (4, 5153842), (8, 2576921), (139, 148312), (278, 74156), (556, 37078), (1112, 18539)]