20940183

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4919}}^1$

素因数の和:4979

約数の個数: 24

約数和(自身を含む): 33770880

約数和(自身を除く): 12830697

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 4919, 14757, 44271, 54109, 162327, 211517, 486981, 634551, 1903653, 2326687, 6980061, 20940183]

約数ペア:

[(1, 20940183), (3, 6980061), (9, 2326687), (11, 1903653), (33, 634551), (43, 486981), (99, 211517), (129, 162327), (387, 54109), (473, 44271), (1419, 14757), (4257, 4919)]