20072156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2777}}^1$

素因数の和:2933

約数の個数: 24

約数和(自身を含む): 38114160

約数和(自身を除く): 18042004

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 2777, 3614, 5554, 7228, 11108, 36101, 72202, 144404, 386003, 772006, 1544012, 5018039, 10036078, 20072156]

約数ペア:

[(1, 20072156), (2, 10036078), (4, 5018039), (13, 1544012), (26, 772006), (52, 386003), (139, 144404), (278, 72202), (556, 36101), (1807, 11108), (2777, 7228), (3614, 5554)]