20158992

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{2857}}^1$

素因数の和:2885

約数の個数: 90

約数和(自身を含む): 65651118

約数和(自身を除く): 45492126

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 2857, 3528, 5714, 7056, 8571, 11428, 17142, 19999, 22856, 25713, 34284, 39998, 45712, 51426, 59997, 68568, 79996, 102852, 119994, 137136, 139993, 159992, 179991, 205704, 239988, 279986, 319984, 359982, 411408, 419979, 479976, 559972, 719964, 839958, 959952, 1119944, 1259937, 1439928, 1679916, 2239888, 2519874, 2879856, 3359832, 5039748, 6719664, 10079496, 20158992]

約数ペア:

[(1, 20158992), (2, 10079496), (3, 6719664), (4, 5039748), (6, 3359832), (7, 2879856), (8, 2519874), (9, 2239888), (12, 1679916), (14, 1439928), (16, 1259937), (18, 1119944), (21, 959952), (24, 839958), (28, 719964), (36, 559972), (42, 479976), (48, 419979), (49, 411408), (56, 359982), (63, 319984), (72, 279986), (84, 239988), (98, 205704), (112, 179991), (126, 159992), (144, 139993), (147, 137136), (168, 119994), (196, 102852), (252, 79996), (294, 68568), (336, 59997), (392, 51426), (441, 45712), (504, 39998), (588, 34284), (784, 25713), (882, 22856), (1008, 19999), (1176, 17142), (1764, 11428), (2352, 8571), (2857, 7056), (3528, 5714)]