20161728590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{991723}}^1$

素因数の和:991856

約数の個数: 32

約数和(自身を含む): 38558229120

約数和(自身を除く): 18396500530

約数列:

[1, 2, 5, 10, 19, 38, 95, 107, 190, 214, 535, 1070, 2033, 4066, 10165, 20330, 991723, 1983446, 4958615, 9917230, 18842737, 37685474, 94213685, 106114361, 188427370, 212228722, 530571805, 1061143610, 2016172859, 4032345718, 10080864295, 20161728590]

約数ペア:

[(1, 20161728590), (2, 10080864295), (5, 4032345718), (10, 2016172859), (19, 1061143610), (38, 530571805), (95, 212228722), (107, 188427370), (190, 106114361), (214, 94213685), (535, 37685474), (1070, 18842737), (2033, 9917230), (4066, 4958615), (10165, 1983446), (20330, 991723)]