20909877

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{3617}}^1$

素因数の和:3708

約数の個数: 16

約数和(自身を含む): 29175552

約数和(自身を除く): 8265675

約数列:

[1, 3, 41, 47, 123, 141, 1927, 3617, 5781, 10851, 148297, 169999, 444891, 509997, 6969959, 20909877]

約数ペア:

[(1, 20909877), (3, 6969959), (41, 509997), (47, 444891), (123, 169999), (141, 148297), (1927, 10851), (3617, 5781)]