20859775

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 27123264

約数和(自身を除く): 6263489

約数列:

[1, 5, 25, 41, 47, 205, 235, 433, 1025, 1175, 1927, 2165, 9635, 10825, 17753, 20351, 48175, 88765, 101755, 443825, 508775, 834391, 4171955, 20859775]

約数ペア:

[(1, 20859775), (5, 4171955), (25, 834391), (41, 508775), (47, 443825), (205, 101755), (235, 88765), (433, 48175), (1025, 20351), (1175, 17753), (1927, 10825), (2165, 9635)]