20464782

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{262369}}^1$

素因数の和:262387

約数の個数: 16

約数和(自身を含む): 44078160

約数和(自身を除く): 23613378

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 262369, 524738, 787107, 1574214, 3410797, 6821594, 10232391, 20464782]

約数ペア:

[(1, 20464782), (2, 10232391), (3, 6821594), (6, 3410797), (13, 1574214), (26, 787107), (39, 524738), (78, 262369)]