20895532

素因数分解:

$2^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1129}}^1$

素因数の和:1801

約数の個数: 24

約数和(自身を含む): 41891360

約数和(自身を除く): 20995828

約数列:

[1, 2, 4, 7, 14, 28, 661, 1129, 1322, 2258, 2644, 4516, 4627, 7903, 9254, 15806, 18508, 31612, 746269, 1492538, 2985076, 5223883, 10447766, 20895532]

約数ペア:

[(1, 20895532), (2, 10447766), (4, 5223883), (7, 2985076), (14, 1492538), (28, 746269), (661, 31612), (1129, 18508), (1322, 15806), (2258, 9254), (2644, 7903), (4516, 4627)]