20284304

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29483}}^1$

素因数の和:29534

約数の個数: 20

約数和(自身を含む): 40216176

約数和(自身を除く): 19931872

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29483, 58966, 117932, 235864, 471728, 1267769, 2535538, 5071076, 10142152, 20284304]

約数ペア:

[(1, 20284304), (2, 10142152), (4, 5071076), (8, 2535538), (16, 1267769), (43, 471728), (86, 235864), (172, 117932), (344, 58966), (688, 29483)]