20815676981

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1\times {\mathrm{140977}}^1$

素因数の和:141452

約数の個数: 16

約数和(自身を含む): 23494829568

約数和(自身を除く): 2679152587

約数列:

[1, 11, 31, 341, 433, 4763, 13423, 140977, 147653, 1550747, 4370287, 48073157, 61043041, 671473451, 1892334271, 20815676981]

約数ペア:

[(1, 20815676981), (11, 1892334271), (31, 671473451), (341, 61043041), (433, 48073157), (4763, 4370287), (13423, 1550747), (140977, 147653)]