20815214930

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1277}}^1\times {\mathrm{8191}}^1$

素因数の和:9674

約数の個数: 32

約数和(自身を含む): 37689753600

約数和(自身を除く): 16874538670

約数列:

[1, 2, 5, 10, 199, 398, 995, 1277, 1990, 2554, 6385, 8191, 12770, 16382, 40955, 81910, 254123, 508246, 1270615, 1630009, 2541230, 3260018, 8150045, 10459907, 16300090, 20919814, 52299535, 104599070, 2081521493, 4163042986, 10407607465, 20815214930]

約数ペア:

[(1, 20815214930), (2, 10407607465), (5, 4163042986), (10, 2081521493), (199, 104599070), (398, 52299535), (995, 20919814), (1277, 16300090), (1990, 10459907), (2554, 8150045), (6385, 3260018), (8191, 2541230), (12770, 1630009), (16382, 1270615), (40955, 508246), (81910, 254123)]