20215431180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{2291999}}^1$

素因数の和:2292028

約数の個数: 108

約数和(自身を含む): 71331624000

約数和(自身を除く): 51116192820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 2291999, 4583998, 6875997, 9167996, 11459995, 13751994, 16043993, 20627991, 22919990, 27503988, 32087986, 34379985, 41255982, 45839980, 48131979, 64175972, 68759970, 80219965, 82511964, 96263958, 103139955, 112307951, 137519940, 144395937, 160439930, 192527916, 206279910, 224615902, 240659895, 288791874, 320879860, 336923853, 412559820, 449231804, 481319790, 561539755, 577583748, 673847706, 721979685, 962639580, 1010771559, 1123079510, 1347695412, 1443959370, 1684619265, 2021543118, 2246159020, 2887918740, 3369238530, 4043086236, 5053857795, 6738477060, 10107715590, 20215431180]

約数ペア:

[(1, 20215431180), (2, 10107715590), (3, 6738477060), (4, 5053857795), (5, 4043086236), (6, 3369238530), (7, 2887918740), (9, 2246159020), (10, 2021543118), (12, 1684619265), (14, 1443959370), (15, 1347695412), (18, 1123079510), (20, 1010771559), (21, 962639580), (28, 721979685), (30, 673847706), (35, 577583748), (36, 561539755), (42, 481319790), (45, 449231804), (49, 412559820), (60, 336923853), (63, 320879860), (70, 288791874), (84, 240659895), (90, 224615902), (98, 206279910), (105, 192527916), (126, 160439930), (140, 144395937), (147, 137519940), (180, 112307951), (196, 103139955), (210, 96263958), (245, 82511964), (252, 80219965), (294, 68759970), (315, 64175972), (420, 48131979), (441, 45839980), (490, 41255982), (588, 34379985), (630, 32087986), (735, 27503988), (882, 22919990), (980, 20627991), (1260, 16043993), (1470, 13751994), (1764, 11459995), (2205, 9167996), (2940, 6875997), (4410, 4583998), (8820, 2291999)]