20091399

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{7433}}^1$

素因数の和:7506

約数の個数: 16

約数和(自身を含む): 28903392

約数和(自身を除く): 8811993

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 7433, 22299, 126361, 379083, 393949, 1181847, 6697133, 20091399]

約数ペア:

[(1, 20091399), (3, 6697133), (17, 1181847), (51, 393949), (53, 379083), (159, 126361), (901, 22299), (2703, 7433)]