20354908

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31607}}^1$

素因数の和:31641

約数の個数: 24

約数和(自身を含む): 42481152

約数和(自身を除く): 22126244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 31607, 63214, 126428, 221249, 442498, 726961, 884996, 1453922, 2907844, 5088727, 10177454, 20354908]

約数ペア:

[(1, 20354908), (2, 10177454), (4, 5088727), (7, 2907844), (14, 1453922), (23, 884996), (28, 726961), (46, 442498), (92, 221249), (161, 126428), (322, 63214), (644, 31607)]