20147409891

素因数分解:

$3^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1914971}}^1$

素因数の和:1915151

約数の個数: 24

約数和(自身を含む): 33458390784

約数和(自身を除く): 13310980893

約数列:

[1, 3, 7, 9, 21, 63, 167, 501, 1169, 1503, 3507, 10521, 1914971, 5744913, 13404797, 17234739, 40214391, 120643173, 319800157, 959400471, 2238601099, 2878201413, 6715803297, 20147409891]

約数ペア:

[(1, 20147409891), (3, 6715803297), (7, 2878201413), (9, 2238601099), (21, 959400471), (63, 319800157), (167, 120643173), (501, 40214391), (1169, 17234739), (1503, 13404797), (3507, 5744913), (10521, 1914971)]