20479137

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22679}}^1$

素因数の和:22732

約数の個数: 16

約数和(自身を含む): 31933440

約数和(自身を除く): 11454303

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22679, 68037, 158753, 476259, 975197, 2925591, 6826379, 20479137]

約数ペア:

[(1, 20479137), (3, 6826379), (7, 2925591), (21, 975197), (43, 476259), (129, 158753), (301, 68037), (903, 22679)]