20495328

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{4357}}^1$

素因数の和:4384

約数の個数: 72

約数和(自身を含む): 62598312

約数和(自身を除く): 42102984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4357, 4704, 8714, 13071, 17428, 26142, 30499, 34856, 52284, 60998, 69712, 91497, 104568, 121996, 139424, 182994, 209136, 213493, 243992, 365988, 418272, 426986, 487984, 640479, 731976, 853972, 975968, 1280958, 1463952, 1707944, 2561916, 2927904, 3415888, 5123832, 6831776, 10247664, 20495328]

約数ペア:

[(1, 20495328), (2, 10247664), (3, 6831776), (4, 5123832), (6, 3415888), (7, 2927904), (8, 2561916), (12, 1707944), (14, 1463952), (16, 1280958), (21, 975968), (24, 853972), (28, 731976), (32, 640479), (42, 487984), (48, 426986), (49, 418272), (56, 365988), (84, 243992), (96, 213493), (98, 209136), (112, 182994), (147, 139424), (168, 121996), (196, 104568), (224, 91497), (294, 69712), (336, 60998), (392, 52284), (588, 34856), (672, 30499), (784, 26142), (1176, 17428), (1568, 13071), (2352, 8714), (4357, 4704)]