20931435

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{66449}}^1$

素因数の和:66467

約数の個数: 24

約数和(自身を含む): 41464800

約数和(自身を除く): 20533365

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 66449, 199347, 332245, 465143, 598041, 996735, 1395429, 2325715, 2990205, 4186287, 6977145, 20931435]

約数ペア:

[(1, 20931435), (3, 6977145), (5, 4186287), (7, 2990205), (9, 2325715), (15, 1395429), (21, 996735), (35, 598041), (45, 465143), (63, 332245), (105, 199347), (315, 66449)]