20201185

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5527}}^1$

素因数の和:5592

約数の個数: 16

約数和(自身を含む): 26269056

約数和(自身を除く): 6067871

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 5527, 27635, 93959, 237661, 469795, 1188305, 4040237, 20201185]

約数ペア:

[(1, 20201185), (5, 4040237), (17, 1188305), (43, 469795), (85, 237661), (215, 93959), (731, 27635), (3655, 5527)]