20455270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{185957}}^1$

素因数の和:185975

約数の個数: 16

約数和(自身を含む): 40166928

約数和(自身を除く): 19711658

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 185957, 371914, 929785, 1859570, 2045527, 4091054, 10227635, 20455270]

約数ペア:

[(1, 20455270), (2, 10227635), (5, 4091054), (10, 2045527), (11, 1859570), (22, 929785), (55, 371914), (110, 185957)]