20408852

素因数分解:

$2^2\times {\mathrm{313}}^1\times {\mathrm{16301}}^1$

素因数の和:16618

約数の個数: 12

約数和(自身を含む): 35831796

約数和(自身を除く): 15422944

約数列:

[1, 2, 4, 313, 626, 1252, 16301, 32602, 65204, 5102213, 10204426, 20408852]

約数ペア:

[(1, 20408852), (2, 10204426), (4, 5102213), (313, 65204), (626, 32602), (1252, 16301)]