20836660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80141}}^1$

素因数の和:80163

約数の個数: 24

約数和(自身を含む): 47123496

約数和(自身を除く): 26286836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 80141, 160282, 320564, 400705, 801410, 1041833, 1602820, 2083666, 4167332, 5209165, 10418330, 20836660]

約数ペア:

[(1, 20836660), (2, 10418330), (4, 5209165), (5, 4167332), (10, 2083666), (13, 1602820), (20, 1041833), (26, 801410), (52, 400705), (65, 320564), (130, 160282), (260, 80141)]