20495904

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1493}}^1$

素因数の和:1530

約数の個数: 96

約数和(自身を含む): 63249984

約数和(自身を除く): 42754080

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 32, 33, 39, 44, 48, 52, 66, 78, 88, 96, 104, 132, 143, 156, 176, 208, 264, 286, 312, 352, 416, 429, 528, 572, 624, 858, 1056, 1144, 1248, 1493, 1716, 2288, 2986, 3432, 4479, 4576, 5972, 6864, 8958, 11944, 13728, 16423, 17916, 19409, 23888, 32846, 35832, 38818, 47776, 49269, 58227, 65692, 71664, 77636, 98538, 116454, 131384, 143328, 155272, 197076, 213499, 232908, 262768, 310544, 394152, 426998, 465816, 525536, 621088, 640497, 788304, 853996, 931632, 1280994, 1576608, 1707992, 1863264, 2561988, 3415984, 5123976, 6831968, 10247952, 20495904]

約数ペア:

[(1, 20495904), (2, 10247952), (3, 6831968), (4, 5123976), (6, 3415984), (8, 2561988), (11, 1863264), (12, 1707992), (13, 1576608), (16, 1280994), (22, 931632), (24, 853996), (26, 788304), (32, 640497), (33, 621088), (39, 525536), (44, 465816), (48, 426998), (52, 394152), (66, 310544), (78, 262768), (88, 232908), (96, 213499), (104, 197076), (132, 155272), (143, 143328), (156, 131384), (176, 116454), (208, 98538), (264, 77636), (286, 71664), (312, 65692), (352, 58227), (416, 49269), (429, 47776), (528, 38818), (572, 35832), (624, 32846), (858, 23888), (1056, 19409), (1144, 17916), (1248, 16423), (1493, 13728), (1716, 11944), (2288, 8958), (2986, 6864), (3432, 5972), (4479, 4576)]