20578656

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:404

約数の個数: 96

約数和(自身を含む): 62512128

約数和(自身を除く): 41933472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 113, 168, 224, 226, 271, 336, 339, 452, 542, 672, 678, 791, 813, 904, 1084, 1356, 1582, 1626, 1808, 1897, 2168, 2373, 2712, 3164, 3252, 3616, 3794, 4336, 4746, 5424, 5691, 6328, 6504, 7588, 8672, 9492, 10848, 11382, 12656, 13008, 15176, 18984, 22764, 25312, 26016, 30352, 30623, 37968, 45528, 60704, 61246, 75936, 91056, 91869, 122492, 182112, 183738, 214361, 244984, 367476, 428722, 489968, 643083, 734952, 857444, 979936, 1286166, 1469904, 1714888, 2572332, 2939808, 3429776, 5144664, 6859552, 10289328, 20578656]

約数ペア:

[(1, 20578656), (2, 10289328), (3, 6859552), (4, 5144664), (6, 3429776), (7, 2939808), (8, 2572332), (12, 1714888), (14, 1469904), (16, 1286166), (21, 979936), (24, 857444), (28, 734952), (32, 643083), (42, 489968), (48, 428722), (56, 367476), (84, 244984), (96, 214361), (112, 183738), (113, 182112), (168, 122492), (224, 91869), (226, 91056), (271, 75936), (336, 61246), (339, 60704), (452, 45528), (542, 37968), (672, 30623), (678, 30352), (791, 26016), (813, 25312), (904, 22764), (1084, 18984), (1356, 15176), (1582, 13008), (1626, 12656), (1808, 11382), (1897, 10848), (2168, 9492), (2373, 8672), (2712, 7588), (3164, 6504), (3252, 6328), (3616, 5691), (3794, 5424), (4336, 4746)]