20898465

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{199033}}^1$

素因数の和:199048

約数の個数: 16

約数和(自身を含む): 38214528

約数和(自身を除く): 17316063

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 199033, 597099, 995165, 1393231, 2985495, 4179693, 6966155, 20898465]

約数ペア:

[(1, 20898465), (3, 6966155), (5, 4179693), (7, 2985495), (15, 1393231), (21, 995165), (35, 597099), (105, 199033)]