20161177768

素因数分解:

$2^3\times {\mathrm{2520147221}}^1$

素因数の和:2520147227

約数の個数: 8

約数和(自身を含む): 37802208330

約数和(自身を除く): 17641030562

約数列:

[1, 2, 4, 8, 2520147221, 5040294442, 10080588884, 20161177768]

約数ペア:

[(1, 20161177768), (2, 10080588884), (4, 5040294442), (8, 2520147221)]