20976417

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{30269}}^1$

素因数の和:30293

約数の個数: 24

約数和(自身を含む): 37776960

約数和(自身を除く): 16800543

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 30269, 90807, 211883, 272421, 332959, 635649, 998877, 1906947, 2330713, 2996631, 6992139, 20976417]

約数ペア:

[(1, 20976417), (3, 6992139), (7, 2996631), (9, 2330713), (11, 1906947), (21, 998877), (33, 635649), (63, 332959), (77, 272421), (99, 211883), (231, 90807), (693, 30269)]