20854696

素因数分解:

$2^3\times {\mathrm{281}}^1\times {\mathrm{9277}}^1$

素因数の和:9564

約数の個数: 16

約数和(自身を含む): 39245940

約数和(自身を除く): 18391244

約数列:

[1, 2, 4, 8, 281, 562, 1124, 2248, 9277, 18554, 37108, 74216, 2606837, 5213674, 10427348, 20854696]

約数ペア:

[(1, 20854696), (2, 10427348), (4, 5213674), (8, 2606837), (281, 74216), (562, 37108), (1124, 18554), (2248, 9277)]