20689886

素因数分解:

$2^1\times 7^1\times {\mathrm{827}}^1\times {\mathrm{1787}}^1$

素因数の和:2623

約数の個数: 16

約数和(自身を含む): 35531136

約数和(自身を除く): 14841250

約数列:

[1, 2, 7, 14, 827, 1654, 1787, 3574, 5789, 11578, 12509, 25018, 1477849, 2955698, 10344943, 20689886]

約数ペア:

[(1, 20689886), (2, 10344943), (7, 2955698), (14, 1477849), (827, 25018), (1654, 12509), (1787, 11578), (3574, 5789)]