20496315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{195203}}^1$

素因数の和:195218

約数の個数: 16

約数和(自身を含む): 37479168

約数和(自身を除く): 16982853

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 195203, 585609, 976015, 1366421, 2928045, 4099263, 6832105, 20496315]

約数ペア:

[(1, 20496315), (3, 6832105), (5, 4099263), (7, 2928045), (15, 1366421), (21, 976015), (35, 585609), (105, 195203)]