20164686

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:469

約数の個数: 48

約数和(自身を含む): 44429040

約数和(自身を除く): 24264354

約数列:

[1, 2, 3, 6, 17, 29, 34, 51, 58, 87, 102, 174, 289, 401, 493, 578, 802, 867, 986, 1203, 1479, 1734, 2406, 2958, 6817, 8381, 11629, 13634, 16762, 20451, 23258, 25143, 34887, 40902, 50286, 69774, 115889, 197693, 231778, 347667, 395386, 593079, 695334, 1186158, 3360781, 6721562, 10082343, 20164686]

約数ペア:

[(1, 20164686), (2, 10082343), (3, 6721562), (6, 3360781), (17, 1186158), (29, 695334), (34, 593079), (51, 395386), (58, 347667), (87, 231778), (102, 197693), (174, 115889), (289, 69774), (401, 50286), (493, 40902), (578, 34887), (802, 25143), (867, 23258), (986, 20451), (1203, 16762), (1479, 13634), (1734, 11629), (2406, 8381), (2958, 6817)]