20395872

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:241

約数の個数: 144

約数和(自身を含む): 67721472

約数和(自身を除く): 47325600

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 67, 72, 84, 96, 112, 126, 134, 144, 151, 168, 201, 224, 252, 268, 288, 302, 336, 402, 453, 469, 504, 536, 603, 604, 672, 804, 906, 938, 1008, 1057, 1072, 1206, 1208, 1359, 1407, 1608, 1812, 1876, 2016, 2114, 2144, 2412, 2416, 2718, 2814, 3171, 3216, 3624, 3752, 4221, 4228, 4824, 4832, 5436, 5628, 6342, 6432, 7248, 7504, 8442, 8456, 9513, 9648, 10117, 10872, 11256, 12684, 14496, 15008, 16884, 16912, 19026, 19296, 20234, 21744, 22512, 25368, 30351, 33768, 33824, 38052, 40468, 43488, 45024, 50736, 60702, 67536, 70819, 76104, 80936, 91053, 101472, 121404, 135072, 141638, 152208, 161872, 182106, 212457, 242808, 283276, 304416, 323744, 364212, 424914, 485616, 566552, 637371, 728424, 849828, 971232, 1133104, 1274742, 1456848, 1699656, 2266208, 2549484, 2913696, 3399312, 5098968, 6798624, 10197936, 20395872]

約数ペア:

[(1, 20395872), (2, 10197936), (3, 6798624), (4, 5098968), (6, 3399312), (7, 2913696), (8, 2549484), (9, 2266208), (12, 1699656), (14, 1456848), (16, 1274742), (18, 1133104), (21, 971232), (24, 849828), (28, 728424), (32, 637371), (36, 566552), (42, 485616), (48, 424914), (56, 364212), (63, 323744), (67, 304416), (72, 283276), (84, 242808), (96, 212457), (112, 182106), (126, 161872), (134, 152208), (144, 141638), (151, 135072), (168, 121404), (201, 101472), (224, 91053), (252, 80936), (268, 76104), (288, 70819), (302, 67536), (336, 60702), (402, 50736), (453, 45024), (469, 43488), (504, 40468), (536, 38052), (603, 33824), (604, 33768), (672, 30351), (804, 25368), (906, 22512), (938, 21744), (1008, 20234), (1057, 19296), (1072, 19026), (1206, 16912), (1208, 16884), (1359, 15008), (1407, 14496), (1608, 12684), (1812, 11256), (1876, 10872), (2016, 10117), (2114, 9648), (2144, 9513), (2412, 8456), (2416, 8442), (2718, 7504), (2814, 7248), (3171, 6432), (3216, 6342), (3624, 5628), (3752, 5436), (4221, 4832), (4228, 4824)]