20304686

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{1319}}^1$

素因数の和:1543

約数の個数: 16

約数和(自身を含む): 31363200

約数和(自身を除く): 11058514

約数列:

[1, 2, 43, 86, 179, 358, 1319, 2638, 7697, 15394, 56717, 113434, 236101, 472202, 10152343, 20304686]

約数ペア:

[(1, 20304686), (2, 10152343), (43, 472202), (86, 236101), (179, 113434), (358, 56717), (1319, 15394), (2638, 7697)]