20508502

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63691}}^1$

素因数の和:63723

約数の個数: 16

約数和(自身を含む): 36686592

約数和(自身を除く): 16178090

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 63691, 127382, 445837, 891674, 1464893, 2929786, 10254251, 20508502]

約数ペア:

[(1, 20508502), (2, 10254251), (7, 2929786), (14, 1464893), (23, 891674), (46, 445837), (161, 127382), (322, 63691)]