20455018

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{827}}^1$

素因数の和:1061

約数の個数: 16

約数和(自身を含む): 31298400

約数和(自身を除く): 10843382

約数列:

[1, 2, 83, 149, 166, 298, 827, 1654, 12367, 24734, 68641, 123223, 137282, 246446, 10227509, 20455018]

約数ペア:

[(1, 20455018), (2, 10227509), (83, 246446), (149, 137282), (166, 123223), (298, 68641), (827, 24734), (1654, 12367)]