20688864

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1811}}^1$

素因数の和:1848

約数の個数: 96

約数和(自身を含む): 65753856

約数和(自身を除く): 45064992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 51, 56, 68, 84, 96, 102, 112, 119, 136, 168, 204, 224, 238, 272, 336, 357, 408, 476, 544, 672, 714, 816, 952, 1428, 1632, 1811, 1904, 2856, 3622, 3808, 5433, 5712, 7244, 10866, 11424, 12677, 14488, 21732, 25354, 28976, 30787, 38031, 43464, 50708, 57952, 61574, 76062, 86928, 92361, 101416, 123148, 152124, 173856, 184722, 202832, 215509, 246296, 304248, 369444, 405664, 431018, 492592, 608496, 646527, 738888, 862036, 985184, 1216992, 1293054, 1477776, 1724072, 2586108, 2955552, 3448144, 5172216, 6896288, 10344432, 20688864]

約数ペア:

[(1, 20688864), (2, 10344432), (3, 6896288), (4, 5172216), (6, 3448144), (7, 2955552), (8, 2586108), (12, 1724072), (14, 1477776), (16, 1293054), (17, 1216992), (21, 985184), (24, 862036), (28, 738888), (32, 646527), (34, 608496), (42, 492592), (48, 431018), (51, 405664), (56, 369444), (68, 304248), (84, 246296), (96, 215509), (102, 202832), (112, 184722), (119, 173856), (136, 152124), (168, 123148), (204, 101416), (224, 92361), (238, 86928), (272, 76062), (336, 61574), (357, 57952), (408, 50708), (476, 43464), (544, 38031), (672, 30787), (714, 28976), (816, 25354), (952, 21732), (1428, 14488), (1632, 12677), (1811, 11424), (1904, 10866), (2856, 7244), (3622, 5712), (3808, 5433)]