20427121

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{677}}^1$

素因数の和:912

約数の個数: 16

約数和(自身を含む): 24147648

約数和(自身を除く): 3720527

約数列:

[1, 11, 13, 143, 211, 677, 2321, 2743, 7447, 8801, 30173, 96811, 142847, 1571317, 1857011, 20427121]

約数ペア:

[(1, 20427121), (11, 1857011), (13, 1571317), (143, 142847), (211, 96811), (677, 30173), (2321, 8801), (2743, 7447)]