20158086

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{258437}}^1$

素因数の和:258455

約数の個数: 16

約数和(自身を含む): 43417584

約数和(自身を除く): 23259498

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 258437, 516874, 775311, 1550622, 3359681, 6719362, 10079043, 20158086]

約数ペア:

[(1, 20158086), (2, 10079043), (3, 6719362), (6, 3359681), (13, 1550622), (26, 775311), (39, 516874), (78, 258437)]