16687984

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{25439}}^1$

素因数の和:25488

約数の個数: 20

約数和(自身を含む): 33122880

約数和(自身を除く): 16434896

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 25439, 50878, 101756, 203512, 407024, 1042999, 2085998, 4171996, 8343992, 16687984]

約数ペア:

[(1, 16687984), (2, 8343992), (4, 4171996), (8, 2085998), (16, 1042999), (41, 407024), (82, 203512), (164, 101756), (328, 50878), (656, 25439)]