20804277

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31379}}^1$

素因数の和:31412

約数の個数: 16

約数和(自身を含む): 31631040

約数和(自身を除く): 10826763

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 31379, 94137, 407927, 533443, 1223781, 1600329, 6934759, 20804277]

約数ペア:

[(1, 20804277), (3, 6934759), (13, 1600329), (17, 1223781), (39, 533443), (51, 407927), (221, 94137), (663, 31379)]