20294416

素因数分解:

$2^4\times {\mathrm{709}}^1\times {\mathrm{1789}}^1$

素因数の和:2506

約数の個数: 20

約数和(自身を含む): 39397900

約数和(自身を除く): 19103484

約数列:

[1, 2, 4, 8, 16, 709, 1418, 1789, 2836, 3578, 5672, 7156, 11344, 14312, 28624, 1268401, 2536802, 5073604, 10147208, 20294416]

約数ペア:

[(1, 20294416), (2, 10147208), (4, 5073604), (8, 2536802), (16, 1268401), (709, 28624), (1418, 14312), (1789, 11344), (2836, 7156), (3578, 5672)]