20807553

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{4201}}^1$

素因数の和:4344

約数の個数: 16

約数和(自身を含む): 30119936

約数和(自身を除く): 9312383

約数列:

[1, 3, 13, 39, 127, 381, 1651, 4201, 4953, 12603, 54613, 163839, 533527, 1600581, 6935851, 20807553]

約数ペア:

[(1, 20807553), (3, 6935851), (13, 1600581), (39, 533527), (127, 163839), (381, 54613), (1651, 12603), (4201, 4953)]