20305964

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31531}}^1$

素因数の和:31565

約数の個数: 24

約数和(自身を含む): 42379008

約数和(自身を除く): 22073044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 31531, 63062, 126124, 220717, 441434, 725213, 882868, 1450426, 2900852, 5076491, 10152982, 20305964]

約数ペア:

[(1, 20305964), (2, 10152982), (4, 5076491), (7, 2900852), (14, 1450426), (23, 882868), (28, 725213), (46, 441434), (92, 220717), (161, 126124), (322, 63062), (644, 31531)]