20806996

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{32309}}^1$

素因数の和:32343

約数の個数: 24

約数和(自身を含む): 43424640

約数和(自身を除く): 22617644

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 32309, 64618, 129236, 226163, 452326, 743107, 904652, 1486214, 2972428, 5201749, 10403498, 20806996]

約数ペア:

[(1, 20806996), (2, 10403498), (4, 5201749), (7, 2972428), (14, 1486214), (23, 904652), (28, 743107), (46, 452326), (92, 226163), (161, 129236), (322, 64618), (644, 32309)]