20183884

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 43953840

約数和(自身を除く): 23769956

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 53, 58, 67, 98, 106, 116, 134, 196, 203, 212, 268, 371, 406, 469, 742, 812, 938, 1421, 1484, 1537, 1876, 1943, 2597, 2842, 3074, 3283, 3551, 3886, 5194, 5684, 6148, 6566, 7102, 7772, 10388, 10759, 13132, 13601, 14204, 21518, 24857, 27202, 43036, 49714, 54404, 75313, 95207, 99428, 102979, 150626, 173999, 190414, 205958, 301252, 347998, 380828, 411916, 695996, 720853, 1441706, 2883412, 5045971, 10091942, 20183884]

約数ペア:

[(1, 20183884), (2, 10091942), (4, 5045971), (7, 2883412), (14, 1441706), (28, 720853), (29, 695996), (49, 411916), (53, 380828), (58, 347998), (67, 301252), (98, 205958), (106, 190414), (116, 173999), (134, 150626), (196, 102979), (203, 99428), (212, 95207), (268, 75313), (371, 54404), (406, 49714), (469, 43036), (742, 27202), (812, 24857), (938, 21518), (1421, 14204), (1484, 13601), (1537, 13132), (1876, 10759), (1943, 10388), (2597, 7772), (2842, 7102), (3074, 6566), (3283, 6148), (3551, 5684), (3886, 5194)]