20950485

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{29717}}^1$

素因数の和:29772

約数の個数: 16

約数和(自身を含む): 34235136

約数和(自身を除く): 13284651

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 29717, 89151, 148585, 445755, 1396699, 4190097, 6983495, 20950485]

約数ペア:

[(1, 20950485), (3, 6983495), (5, 4190097), (15, 1396699), (47, 445755), (141, 148585), (235, 89151), (705, 29717)]