20454665

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53129}}^1$

素因数の和:53152

約数の個数: 16

約数和(自身を含む): 30602880

約数和(自身を除く): 10148215

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 53129, 265645, 371903, 584419, 1859515, 2922095, 4090933, 20454665]

約数ペア:

[(1, 20454665), (5, 4090933), (7, 2922095), (11, 1859515), (35, 584419), (55, 371903), (77, 265645), (385, 53129)]