20481290

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{16127}}^1$

素因数の和:16261

約数の個数: 16

約数和(自身を含む): 37158912

約数和(自身を除く): 16677622

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 16127, 32254, 80635, 161270, 2048129, 4096258, 10240645, 20481290]

約数ペア:

[(1, 20481290), (2, 10240645), (5, 4096258), (10, 2048129), (127, 161270), (254, 80635), (635, 32254), (1270, 16127)]