20409876065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{542023}}^1$

素因数の和:542488

約数の個数: 16

約数和(自身を含む): 25991134848

約数和(自身を除く): 5581258783

約数列:

[1, 5, 17, 85, 443, 2215, 7531, 37655, 542023, 2710115, 9214391, 46071955, 240116189, 1200580945, 4081975213, 20409876065]

約数ペア:

[(1, 20409876065), (5, 4081975213), (17, 1200580945), (85, 240116189), (443, 46071955), (2215, 9214391), (7531, 2710115), (37655, 542023)]