20217678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{259201}}^1$

素因数の和:259219

約数の個数: 16

約数和(自身を含む): 43545936

約数和(自身を除く): 23328258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 259201, 518402, 777603, 1555206, 3369613, 6739226, 10108839, 20217678]

約数ペア:

[(1, 20217678), (2, 10108839), (3, 6739226), (6, 3369613), (13, 1555206), (26, 777603), (39, 518402), (78, 259201)]