20761587

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29959}}^1$

素因数の和:29983

約数の個数: 24

約数和(自身を含む): 37390080

約数和(自身を除く): 16628493

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 29959, 89877, 209713, 269631, 329549, 629139, 988647, 1887417, 2306843, 2965941, 6920529, 20761587]

約数ペア:

[(1, 20761587), (3, 6920529), (7, 2965941), (9, 2306843), (11, 1887417), (21, 988647), (33, 629139), (63, 329549), (77, 269631), (99, 209713), (231, 89877), (693, 29959)]