20384528

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{16127}}^1$

素因数の和:16214

約数の個数: 20

約数和(自身を含む): 39997440

約数和(自身を除く): 19612912

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 16127, 32254, 64508, 129016, 258032, 1274033, 2548066, 5096132, 10192264, 20384528]

約数ペア:

[(1, 20384528), (2, 10192264), (4, 5096132), (8, 2548066), (16, 1274033), (79, 258032), (158, 129016), (316, 64508), (632, 32254), (1264, 16127)]