20075780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2297}}^1$

素因数の和:2348

約数の個数: 48

約数和(自身を含む): 46327680

約数和(自身を除く): 26251900

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 2297, 4370, 4594, 8740, 9188, 11485, 22970, 43643, 45940, 52831, 87286, 105662, 174572, 211324, 218215, 264155, 436430, 528310, 872860, 1003789, 1056620, 2007578, 4015156, 5018945, 10037890, 20075780]

約数ペア:

[(1, 20075780), (2, 10037890), (4, 5018945), (5, 4015156), (10, 2007578), (19, 1056620), (20, 1003789), (23, 872860), (38, 528310), (46, 436430), (76, 264155), (92, 218215), (95, 211324), (115, 174572), (190, 105662), (230, 87286), (380, 52831), (437, 45940), (460, 43643), (874, 22970), (1748, 11485), (2185, 9188), (2297, 8740), (4370, 4594)]