20453986

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47129}}^1$

素因数の和:47169

約数の個数: 16

約数和(自身を含む): 36195840

約数和(自身を除く): 15741854

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 47129, 94258, 329903, 659806, 1460999, 2921998, 10226993, 20453986]

約数ペア:

[(1, 20453986), (2, 10226993), (7, 2921998), (14, 1460999), (31, 659806), (62, 329903), (217, 94258), (434, 47129)]