20960541

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19571}}^1$

素因数の和:19601

約数の個数: 24

約数和(自身を含む): 36638784

約数和(自身を除く): 15678243

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 19571, 58713, 136997, 176139, 332707, 410991, 998121, 1232973, 2328949, 2994363, 6986847, 20960541]

約数ペア:

[(1, 20960541), (3, 6986847), (7, 2994363), (9, 2328949), (17, 1232973), (21, 998121), (51, 410991), (63, 332707), (119, 176139), (153, 136997), (357, 58713), (1071, 19571)]