20126491

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13757}}^1$

素因数の和:13794

約数の個数: 16

約数和(自身を含む): 26415360

約数和(自身を除く): 6288869

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 13757, 96299, 151327, 261383, 1059289, 1829681, 2875213, 20126491]

約数ペア:

[(1, 20126491), (7, 2875213), (11, 1829681), (19, 1059289), (77, 261383), (133, 151327), (209, 96299), (1463, 13757)]