20682760315

素因数分解:

$5^1\times 7^1\times {\mathrm{1409}}^1\times {\mathrm{419401}}^1$

素因数の和:420822

約数の個数: 16

約数和(自身を含む): 28385127360

約数和(自身を除く): 7702367045

約数列:

[1, 5, 7, 35, 1409, 7045, 9863, 49315, 419401, 2097005, 2935807, 14679035, 590936009, 2954680045, 4136552063, 20682760315]

約数ペア:

[(1, 20682760315), (5, 4136552063), (7, 2954680045), (35, 590936009), (1409, 14679035), (7045, 2935807), (9863, 2097005), (49315, 419401)]