20851324

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1427}}^1$

素因数の和:1725

約数の個数: 24

約数和(自身を含む): 39464208

約数和(自身を除く): 18612884

約数列:

[1, 2, 4, 13, 26, 52, 281, 562, 1124, 1427, 2854, 3653, 5708, 7306, 14612, 18551, 37102, 74204, 400987, 801974, 1603948, 5212831, 10425662, 20851324]

約数ペア:

[(1, 20851324), (2, 10425662), (4, 5212831), (13, 1603948), (26, 801974), (52, 400987), (281, 74204), (562, 37102), (1124, 18551), (1427, 14612), (2854, 7306), (3653, 5708)]