20989859523

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23549}}^1\times {\mathrm{17477}}^1$

素因数の和:41046

約数の個数: 16

約数和(自身を含む): 29635696800

約数和(自身を除く): 8645837277

約数列:

[1, 3, 17, 51, 17477, 23549, 52431, 70647, 297109, 400333, 891327, 1200999, 411565873, 1234697619, 6996619841, 20989859523]

約数ペア:

[(1, 20989859523), (3, 6996619841), (17, 1234697619), (51, 411565873), (17477, 1200999), (23549, 891327), (52431, 400333), (70647, 297109)]