20566780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79103}}^1$

素因数の和:79125

約数の個数: 24

約数和(自身を含む): 46513152

約数和(自身を除く): 25946372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 79103, 158206, 316412, 395515, 791030, 1028339, 1582060, 2056678, 4113356, 5141695, 10283390, 20566780]

約数ペア:

[(1, 20566780), (2, 10283390), (4, 5141695), (5, 4113356), (10, 2056678), (13, 1582060), (20, 1028339), (26, 791030), (52, 395515), (65, 316412), (130, 158206), (260, 79103)]