20163248

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2687}}^1$

素因数の和:2769

約数の個数: 40

約数和(自身を含む): 45330432

約数和(自身を除く): 25167184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 2687, 3752, 5374, 7504, 10748, 18809, 21496, 37618, 42992, 75236, 150472, 180029, 300944, 360058, 720116, 1260203, 1440232, 2520406, 2880464, 5040812, 10081624, 20163248]

約数ペア:

[(1, 20163248), (2, 10081624), (4, 5040812), (7, 2880464), (8, 2520406), (14, 1440232), (16, 1260203), (28, 720116), (56, 360058), (67, 300944), (112, 180029), (134, 150472), (268, 75236), (469, 42992), (536, 37618), (938, 21496), (1072, 18809), (1876, 10748), (2687, 7504), (3752, 5374)]