20880584

素因数分解:

$2^3\times {\mathrm{1373}}^1\times {\mathrm{1901}}^1$

素因数の和:3280

約数の個数: 16

約数和(自身を含む): 39200220

約数和(自身を除く): 18319636

約数列:

[1, 2, 4, 8, 1373, 1901, 2746, 3802, 5492, 7604, 10984, 15208, 2610073, 5220146, 10440292, 20880584]

約数ペア:

[(1, 20880584), (2, 10440292), (4, 5220146), (8, 2610073), (1373, 15208), (1901, 10984), (2746, 7604), (3802, 5492)]