20853870065

素因数分解:

$5^1\times 7^3\times {\mathrm{757}}^1\times {\mathrm{16063}}^1$

素因数の和:16846

約数の個数: 32

約数和(自身を含む): 29223628800

約数和(自身を除く): 8369758735

約数列:

[1, 5, 7, 35, 49, 245, 343, 757, 1715, 3785, 5299, 16063, 26495, 37093, 80315, 112441, 185465, 259651, 562205, 787087, 1298255, 3935435, 5509609, 12159691, 27548045, 60798455, 85117837, 425589185, 595824859, 2979124295, 4170774013, 20853870065]

約数ペア:

[(1, 20853870065), (5, 4170774013), (7, 2979124295), (35, 595824859), (49, 425589185), (245, 85117837), (343, 60798455), (757, 27548045), (1715, 12159691), (3785, 5509609), (5299, 3935435), (16063, 1298255), (26495, 787087), (37093, 562205), (80315, 259651), (112441, 185465)]