20163026660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{20574517}}^1$

素因数の和:20574540

約数の個数: 36

約数和(自身を含む): 49255396092

約数和(自身を除く): 29092369432

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 20574517, 41149034, 82298068, 102872585, 144021619, 205745170, 288043238, 411490340, 576086476, 720108095, 1008151333, 1440216190, 2016302666, 2880432380, 4032605332, 5040756665, 10081513330, 20163026660]

約数ペア:

[(1, 20163026660), (2, 10081513330), (4, 5040756665), (5, 4032605332), (7, 2880432380), (10, 2016302666), (14, 1440216190), (20, 1008151333), (28, 720108095), (35, 576086476), (49, 411490340), (70, 288043238), (98, 205745170), (140, 144021619), (196, 102872585), (245, 82298068), (490, 41149034), (980, 20574517)]