20378414

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{9041}}^1$

素因数の和:9080

約数の個数: 24

約数和(自身を含む): 37108368

約数和(自身を除く): 16729954

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 9041, 18082, 63287, 126574, 207943, 415886, 443009, 886018, 1455601, 2911202, 10189207, 20378414]

約数ペア:

[(1, 20378414), (2, 10189207), (7, 2911202), (14, 1455601), (23, 886018), (46, 443009), (49, 415886), (98, 207943), (161, 126574), (322, 63287), (1127, 18082), (2254, 9041)]