20782006

素因数分解:

$2^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{6211}}^1$

素因数の和:6459

約数の個数: 16

約数和(自身を含む): 35781120

約数和(自身を除く): 14999114

約数列:

[1, 2, 7, 14, 239, 478, 1673, 3346, 6211, 12422, 43477, 86954, 1484429, 2968858, 10391003, 20782006]

約数ペア:

[(1, 20782006), (2, 10391003), (7, 2968858), (14, 1484429), (239, 86954), (478, 43477), (1673, 12422), (3346, 6211)]