20624776

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{16421}}^1$

素因数の和:16584

約数の個数: 16

約数和(自身を含む): 38920140

約数和(自身を除く): 18295364

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 16421, 32842, 65684, 131368, 2578097, 5156194, 10312388, 20624776]

約数ペア:

[(1, 20624776), (2, 10312388), (4, 5156194), (8, 2578097), (157, 131368), (314, 65684), (628, 32842), (1256, 16421)]