20993923105

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{16633}}^1$

素因数の和:16857

約数の個数: 32

約数和(自身を含む): 26559042048

約数和(自身を除く): 5565118943

約数列:

[1, 5, 41, 47, 131, 205, 235, 655, 1927, 5371, 6157, 9635, 16633, 26855, 30785, 83165, 252437, 681953, 781751, 1262185, 2178923, 3409765, 3908755, 10894615, 32051791, 89335843, 102409381, 160258955, 446679215, 512046905, 4198784621, 20993923105]

約数ペア:

[(1, 20993923105), (5, 4198784621), (41, 512046905), (47, 446679215), (131, 160258955), (205, 102409381), (235, 89335843), (655, 32051791), (1927, 10894615), (5371, 3908755), (6157, 3409765), (9635, 2178923), (16633, 1262185), (26855, 781751), (30785, 681953), (83165, 252437)]