20680304

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{16361}}^1$

素因数の和:16448

約数の個数: 20

約数和(自身を含む): 40577760

約数和(自身を除く): 19897456

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 16361, 32722, 65444, 130888, 261776, 1292519, 2585038, 5170076, 10340152, 20680304]

約数ペア:

[(1, 20680304), (2, 10340152), (4, 5170076), (8, 2585038), (16, 1292519), (79, 261776), (158, 130888), (316, 65444), (632, 32722), (1264, 16361)]