20217288

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9257}}^1$

素因数の和:9286

約数の個数: 64

約数和(自身を含む): 62213760

約数和(自身を除く): 41996472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 9257, 18514, 27771, 37028, 55542, 64799, 74056, 111084, 120341, 129598, 194397, 222168, 240682, 259196, 361023, 388794, 481364, 518392, 722046, 777588, 842387, 962728, 1444092, 1555176, 1684774, 2527161, 2888184, 3369548, 5054322, 6739096, 10108644, 20217288]

約数ペア:

[(1, 20217288), (2, 10108644), (3, 6739096), (4, 5054322), (6, 3369548), (7, 2888184), (8, 2527161), (12, 1684774), (13, 1555176), (14, 1444092), (21, 962728), (24, 842387), (26, 777588), (28, 722046), (39, 518392), (42, 481364), (52, 388794), (56, 361023), (78, 259196), (84, 240682), (91, 222168), (104, 194397), (156, 129598), (168, 120341), (182, 111084), (273, 74056), (312, 64799), (364, 55542), (546, 37028), (728, 27771), (1092, 18514), (2184, 9257)]