20993232

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1979}}^1$

素因数の和:2020

約数の個数: 80

約数和(自身を含む): 61871040

約数和(自身を除く): 40877808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 34, 39, 48, 51, 52, 68, 78, 102, 104, 136, 156, 204, 208, 221, 272, 312, 408, 442, 624, 663, 816, 884, 1326, 1768, 1979, 2652, 3536, 3958, 5304, 5937, 7916, 10608, 11874, 15832, 23748, 25727, 31664, 33643, 47496, 51454, 67286, 77181, 94992, 100929, 102908, 134572, 154362, 201858, 205816, 269144, 308724, 403716, 411632, 437359, 538288, 617448, 807432, 874718, 1234896, 1312077, 1614864, 1749436, 2624154, 3498872, 5248308, 6997744, 10496616, 20993232]

約数ペア:

[(1, 20993232), (2, 10496616), (3, 6997744), (4, 5248308), (6, 3498872), (8, 2624154), (12, 1749436), (13, 1614864), (16, 1312077), (17, 1234896), (24, 874718), (26, 807432), (34, 617448), (39, 538288), (48, 437359), (51, 411632), (52, 403716), (68, 308724), (78, 269144), (102, 205816), (104, 201858), (136, 154362), (156, 134572), (204, 102908), (208, 100929), (221, 94992), (272, 77181), (312, 67286), (408, 51454), (442, 47496), (624, 33643), (663, 31664), (816, 25727), (884, 23748), (1326, 15832), (1768, 11874), (1979, 10608), (2652, 7916), (3536, 5937), (3958, 5304)]