20391861168

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{2890003}}^1$

素因数の和:2890031

約数の個数: 90

約数和(自身を含む): 66386281884

約数和(自身を除く): 45994420716

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, 3528, 7056, 2890003, 5780006, 8670009, 11560012, 17340018, 20230021, 23120024, 26010027, 34680036, 40460042, 46240048, 52020054, 60690063, 69360072, 80920084, 104040108, 121380126, 138720144, 141610147, 161840168, 182070189, 208080216, 242760252, 283220294, 323680336, 364140378, 416160432, 424830441, 485520504, 566440588, 728280756, 849660882, 971041008, 1132881176, 1274491323, 1456561512, 1699321764, 2265762352, 2548982646, 2913123024, 3398643528, 5097965292, 6797287056, 10195930584, 20391861168]

約数ペア:

[(1, 20391861168), (2, 10195930584), (3, 6797287056), (4, 5097965292), (6, 3398643528), (7, 2913123024), (8, 2548982646), (9, 2265762352), (12, 1699321764), (14, 1456561512), (16, 1274491323), (18, 1132881176), (21, 971041008), (24, 849660882), (28, 728280756), (36, 566440588), (42, 485520504), (48, 424830441), (49, 416160432), (56, 364140378), (63, 323680336), (72, 283220294), (84, 242760252), (98, 208080216), (112, 182070189), (126, 161840168), (144, 141610147), (147, 138720144), (168, 121380126), (196, 104040108), (252, 80920084), (294, 69360072), (336, 60690063), (392, 52020054), (441, 46240048), (504, 40460042), (588, 34680036), (784, 26010027), (882, 23120024), (1008, 20230021), (1176, 17340018), (1764, 11560012), (2352, 8670009), (3528, 5780006), (7056, 2890003)]