20542782

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263369}}^1$

素因数の和:263387

約数の個数: 16

約数和(自身を含む): 44246160

約数和(自身を除く): 23703378

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 263369, 526738, 790107, 1580214, 3423797, 6847594, 10271391, 20542782]

約数ペア:

[(1, 20542782), (2, 10271391), (3, 6847594), (6, 3423797), (13, 1580214), (26, 790107), (39, 526738), (78, 263369)]