20081677

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{6361}}^1$

素因数の和:6420

約数の個数: 16

約数和(自身を含む): 25651584

約数和(自身を除く): 5569907

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 6361, 44527, 69971, 260801, 489797, 1825607, 2868811, 20081677]

約数ペア:

[(1, 20081677), (7, 2868811), (11, 1825607), (41, 489797), (77, 260801), (287, 69971), (451, 44527), (3157, 6361)]