20269854

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4451}}^1$

素因数の和:4493

約数の個数: 48

約数和(自身を含む): 50004864

約数和(自身を除く): 29735010

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 33, 46, 66, 69, 99, 138, 198, 207, 253, 414, 506, 759, 1518, 2277, 4451, 4554, 8902, 13353, 26706, 40059, 48961, 80118, 97922, 102373, 146883, 204746, 293766, 307119, 440649, 614238, 881298, 921357, 1126103, 1842714, 2252206, 3378309, 6756618, 10134927, 20269854]

約数ペア:

[(1, 20269854), (2, 10134927), (3, 6756618), (6, 3378309), (9, 2252206), (11, 1842714), (18, 1126103), (22, 921357), (23, 881298), (33, 614238), (46, 440649), (66, 307119), (69, 293766), (99, 204746), (138, 146883), (198, 102373), (207, 97922), (253, 80118), (414, 48961), (506, 40059), (759, 26706), (1518, 13353), (2277, 8902), (4451, 4554)]