20344544

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1993}}^1$

素因数の和:2043

約数の個数: 48

約数和(自身を含む): 45223920

約数和(自身を除く): 24879376

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 88, 116, 176, 232, 319, 352, 464, 638, 928, 1276, 1993, 2552, 3986, 5104, 7972, 10208, 15944, 21923, 31888, 43846, 57797, 63776, 87692, 115594, 175384, 231188, 350768, 462376, 635767, 701536, 924752, 1271534, 1849504, 2543068, 5086136, 10172272, 20344544]

約数ペア:

[(1, 20344544), (2, 10172272), (4, 5086136), (8, 2543068), (11, 1849504), (16, 1271534), (22, 924752), (29, 701536), (32, 635767), (44, 462376), (58, 350768), (88, 231188), (116, 175384), (176, 115594), (232, 87692), (319, 63776), (352, 57797), (464, 43846), (638, 31888), (928, 21923), (1276, 15944), (1993, 10208), (2552, 7972), (3986, 5104)]