20389794

素因数分解:

$2^1\times 3^1\times {\mathrm{439}}^1\times {\mathrm{7741}}^1$

素因数の和:8185

約数の個数: 16

約数和(自身を含む): 40877760

約数和(自身を除く): 20487966

約数列:

[1, 2, 3, 6, 439, 878, 1317, 2634, 7741, 15482, 23223, 46446, 3398299, 6796598, 10194897, 20389794]

約数ペア:

[(1, 20389794), (2, 10194897), (3, 6796598), (6, 3398299), (439, 46446), (878, 23223), (1317, 15482), (2634, 7741)]