20723904

素因数分解:

$2^6\times 3^3\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:267

約数の個数: 112

約数和(自身を含む): 62179200

約数和(自身を除く): 41455296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 67, 72, 96, 108, 134, 144, 179, 192, 201, 216, 268, 288, 358, 402, 432, 536, 537, 576, 603, 716, 804, 864, 1072, 1074, 1206, 1432, 1608, 1611, 1728, 1809, 2144, 2148, 2412, 2864, 3216, 3222, 3618, 4288, 4296, 4824, 4833, 5728, 6432, 6444, 7236, 8592, 9648, 9666, 11456, 11993, 12864, 12888, 14472, 17184, 19296, 19332, 23986, 25776, 28944, 34368, 35979, 38592, 38664, 47972, 51552, 57888, 71958, 77328, 95944, 103104, 107937, 115776, 143916, 154656, 191888, 215874, 287832, 309312, 323811, 383776, 431748, 575664, 647622, 767552, 863496, 1151328, 1295244, 1726992, 2302656, 2590488, 3453984, 5180976, 6907968, 10361952, 20723904]

約数ペア:

[(1, 20723904), (2, 10361952), (3, 6907968), (4, 5180976), (6, 3453984), (8, 2590488), (9, 2302656), (12, 1726992), (16, 1295244), (18, 1151328), (24, 863496), (27, 767552), (32, 647622), (36, 575664), (48, 431748), (54, 383776), (64, 323811), (67, 309312), (72, 287832), (96, 215874), (108, 191888), (134, 154656), (144, 143916), (179, 115776), (192, 107937), (201, 103104), (216, 95944), (268, 77328), (288, 71958), (358, 57888), (402, 51552), (432, 47972), (536, 38664), (537, 38592), (576, 35979), (603, 34368), (716, 28944), (804, 25776), (864, 23986), (1072, 19332), (1074, 19296), (1206, 17184), (1432, 14472), (1608, 12888), (1611, 12864), (1728, 11993), (1809, 11456), (2144, 9666), (2148, 9648), (2412, 8592), (2864, 7236), (3216, 6444), (3222, 6432), (3618, 5728), (4288, 4833), (4296, 4824)]