20512019988

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{29179}}^1$

素因数の和:29498

約数の個数: 96

約数和(自身を含む): 55689446400

約数和(自身を除く): 35177426412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 92, 108, 138, 207, 276, 283, 414, 566, 621, 828, 849, 1132, 1242, 1698, 2484, 2547, 3396, 5094, 6509, 7641, 10188, 13018, 15282, 19527, 26036, 29179, 30564, 39054, 58358, 58581, 78108, 87537, 116716, 117162, 175074, 175743, 234324, 262611, 350148, 351486, 525222, 671117, 702972, 787833, 1050444, 1342234, 1575666, 2013351, 2684468, 3151332, 4026702, 6040053, 8053404, 8257657, 12080106, 16515314, 18120159, 24160212, 24772971, 33030628, 36240318, 49545942, 72480636, 74318913, 99091884, 148637826, 189926111, 222956739, 297275652, 379852222, 445913478, 569778333, 759704444, 891826956, 1139556666, 1709334999, 2279113332, 3418669998, 5128004997, 6837339996, 10256009994, 20512019988]

約数ペア:

[(1, 20512019988), (2, 10256009994), (3, 6837339996), (4, 5128004997), (6, 3418669998), (9, 2279113332), (12, 1709334999), (18, 1139556666), (23, 891826956), (27, 759704444), (36, 569778333), (46, 445913478), (54, 379852222), (69, 297275652), (92, 222956739), (108, 189926111), (138, 148637826), (207, 99091884), (276, 74318913), (283, 72480636), (414, 49545942), (566, 36240318), (621, 33030628), (828, 24772971), (849, 24160212), (1132, 18120159), (1242, 16515314), (1698, 12080106), (2484, 8257657), (2547, 8053404), (3396, 6040053), (5094, 4026702), (6509, 3151332), (7641, 2684468), (10188, 2013351), (13018, 1575666), (15282, 1342234), (19527, 1050444), (26036, 787833), (29179, 702972), (30564, 671117), (39054, 525222), (58358, 351486), (58581, 350148), (78108, 262611), (87537, 234324), (116716, 175743), (117162, 175074)]