20925765

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{66431}}^1$

素因数の和:66449

約数の個数: 24

約数和(自身を含む): 41453568

約数和(自身を除く): 20527803

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 66431, 199293, 332155, 465017, 597879, 996465, 1395051, 2325085, 2989395, 4185153, 6975255, 20925765]

約数ペア:

[(1, 20925765), (3, 6975255), (5, 4185153), (7, 2989395), (9, 2325085), (15, 1395051), (21, 996465), (35, 597879), (45, 465017), (63, 332155), (105, 199293), (315, 66431)]