20408900863

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{6355933}}^1$

素因数の和:6355978

約数の個数: 12

約数和(自身を含む): 23262718440

約数和(自身を除く): 2853817577

約数列:

[1, 13, 19, 169, 247, 3211, 6355933, 82627129, 120762727, 1074152677, 1569915451, 20408900863]

約数ペア:

[(1, 20408900863), (13, 1569915451), (19, 1074152677), (169, 120762727), (247, 82627129), (3211, 6355933)]