20162205

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{64007}}^1$

素因数の和:64025

約数の個数: 24

約数和(自身を含む): 39940992

約数和(自身を除く): 19778787

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 64007, 192021, 320035, 448049, 576063, 960105, 1344147, 2240245, 2880315, 4032441, 6720735, 20162205]

約数ペア:

[(1, 20162205), (3, 6720735), (5, 4032441), (7, 2880315), (9, 2240245), (15, 1344147), (21, 960105), (35, 576063), (45, 448049), (63, 320035), (105, 192021), (315, 64007)]