20552065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5623}}^1$

素因数の和:5688

約数の個数: 16

約数和(自身を含む): 26725248

約数和(自身を除く): 6173183

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 5623, 28115, 95591, 241789, 477955, 1208945, 4110413, 20552065]

約数ペア:

[(1, 20552065), (5, 4110413), (17, 1208945), (43, 477955), (85, 241789), (215, 95591), (731, 28115), (3655, 5623)]