20682819

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2437}}^1$

素因数の和:2507

約数の個数: 24

約数和(自身を含む): 31947552

約数和(自身を除く): 11264733

約数列:

[1, 3, 9, 23, 41, 69, 123, 207, 369, 943, 2437, 2829, 7311, 8487, 21933, 56051, 99917, 168153, 299751, 504459, 899253, 2298091, 6894273, 20682819]

約数ペア:

[(1, 20682819), (3, 6894273), (9, 2298091), (23, 899253), (41, 504459), (69, 299751), (123, 168153), (207, 99917), (369, 56051), (943, 21933), (2437, 8487), (2829, 7311)]