20078864613

素因数分解:

$3^2\times {\mathrm{1307}}^1\times {\mathrm{1706951}}^1$

素因数の和:1708264

約数の個数: 12

約数和(自身を含む): 29025011808

約数和(自身を除く): 8946147195

約数列:

[1, 3, 9, 1307, 3921, 11763, 1706951, 5120853, 15362559, 2230984957, 6692954871, 20078864613]

約数ペア:

[(1, 20078864613), (3, 6692954871), (9, 2230984957), (1307, 15362559), (3921, 5120853), (11763, 1706951)]