20009276

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16619}}^1$

素因数の和:16673

約数の個数: 24

約数和(自身を含む): 40951680

約数和(自身を除く): 20942404

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 16619, 33238, 66476, 116333, 232666, 465332, 714617, 1429234, 2858468, 5002319, 10004638, 20009276]

約数ペア:

[(1, 20009276), (2, 10004638), (4, 5002319), (7, 2858468), (14, 1429234), (28, 714617), (43, 465332), (86, 232666), (172, 116333), (301, 66476), (602, 33238), (1204, 16619)]