20751696

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:218

約数の個数: 180

約数和(自身を含む): 71945172

約数和(自身を除く): 51193476

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 34, 36, 42, 48, 49, 51, 56, 63, 68, 72, 84, 98, 102, 112, 119, 126, 136, 144, 147, 153, 168, 173, 196, 204, 238, 252, 272, 294, 306, 336, 346, 357, 392, 408, 441, 476, 504, 519, 588, 612, 692, 714, 784, 816, 833, 882, 952, 1008, 1038, 1071, 1176, 1211, 1224, 1384, 1428, 1557, 1666, 1764, 1904, 2076, 2142, 2352, 2422, 2448, 2499, 2768, 2856, 2941, 3114, 3332, 3528, 3633, 4152, 4284, 4844, 4998, 5712, 5882, 6228, 6664, 7056, 7266, 7497, 8304, 8477, 8568, 8823, 9688, 9996, 10899, 11764, 12456, 13328, 14532, 14994, 16954, 17136, 17646, 19376, 19992, 20587, 21798, 23528, 24912, 25431, 26469, 29064, 29988, 33908, 35292, 39984, 41174, 43596, 47056, 50862, 52938, 58128, 59976, 61761, 67816, 70584, 76293, 82348, 87192, 101724, 105876, 119952, 123522, 135632, 141168, 144109, 152586, 164696, 174384, 185283, 203448, 211752, 247044, 288218, 305172, 329392, 370566, 406896, 423504, 432327, 494088, 576436, 610344, 741132, 864654, 988176, 1152872, 1220688, 1296981, 1482264, 1729308, 2305744, 2593962, 2964528, 3458616, 5187924, 6917232, 10375848, 20751696]

約数ペア:

[(1, 20751696), (2, 10375848), (3, 6917232), (4, 5187924), (6, 3458616), (7, 2964528), (8, 2593962), (9, 2305744), (12, 1729308), (14, 1482264), (16, 1296981), (17, 1220688), (18, 1152872), (21, 988176), (24, 864654), (28, 741132), (34, 610344), (36, 576436), (42, 494088), (48, 432327), (49, 423504), (51, 406896), (56, 370566), (63, 329392), (68, 305172), (72, 288218), (84, 247044), (98, 211752), (102, 203448), (112, 185283), (119, 174384), (126, 164696), (136, 152586), (144, 144109), (147, 141168), (153, 135632), (168, 123522), (173, 119952), (196, 105876), (204, 101724), (238, 87192), (252, 82348), (272, 76293), (294, 70584), (306, 67816), (336, 61761), (346, 59976), (357, 58128), (392, 52938), (408, 50862), (441, 47056), (476, 43596), (504, 41174), (519, 39984), (588, 35292), (612, 33908), (692, 29988), (714, 29064), (784, 26469), (816, 25431), (833, 24912), (882, 23528), (952, 21798), (1008, 20587), (1038, 19992), (1071, 19376), (1176, 17646), (1211, 17136), (1224, 16954), (1384, 14994), (1428, 14532), (1557, 13328), (1666, 12456), (1764, 11764), (1904, 10899), (2076, 9996), (2142, 9688), (2352, 8823), (2422, 8568), (2448, 8477), (2499, 8304), (2768, 7497), (2856, 7266), (2941, 7056), (3114, 6664), (3332, 6228), (3528, 5882), (3633, 5712), (4152, 4998), (4284, 4844)]