20900468

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1447}}^1$

素因数の和:1631

約数の個数: 24

約数和(自身を含む): 38435712

約数和(自身を除く): 17535244

約数列:

[1, 2, 4, 23, 46, 92, 157, 314, 628, 1447, 2894, 3611, 5788, 7222, 14444, 33281, 66562, 133124, 227179, 454358, 908716, 5225117, 10450234, 20900468]

約数ペア:

[(1, 20900468), (2, 10450234), (4, 5225117), (23, 908716), (46, 454358), (92, 227179), (157, 133124), (314, 66562), (628, 33281), (1447, 14444), (2894, 7222), (3611, 5788)]