20154690439

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{156019}}^1$

素因数の和:156574

約数の個数: 16

約数和(自身を含む): 22891254400

約数和(自身を除く): 2736563961

約数列:

[1, 13, 19, 247, 523, 6799, 9937, 129181, 156019, 2028247, 2964361, 38536693, 81597937, 1060773181, 1550360803, 20154690439]

約数ペア:

[(1, 20154690439), (13, 1550360803), (19, 1060773181), (247, 81597937), (523, 38536693), (6799, 2964361), (9937, 2028247), (129181, 156019)]