20387296

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 42000336

約数和(自身を除く): 21613040

約数列:

[1, 2, 4, 8, 16, 32, 37, 67, 74, 134, 148, 257, 268, 296, 514, 536, 592, 1028, 1072, 1184, 2056, 2144, 2479, 4112, 4958, 8224, 9509, 9916, 17219, 19018, 19832, 34438, 38036, 39664, 68876, 76072, 79328, 137752, 152144, 275504, 304288, 551008, 637103, 1274206, 2548412, 5096824, 10193648, 20387296]

約数ペア:

[(1, 20387296), (2, 10193648), (4, 5096824), (8, 2548412), (16, 1274206), (32, 637103), (37, 551008), (67, 304288), (74, 275504), (134, 152144), (148, 137752), (257, 79328), (268, 76072), (296, 68876), (514, 39664), (536, 38036), (592, 34438), (1028, 19832), (1072, 19018), (1184, 17219), (2056, 9916), (2144, 9509), (2479, 8224), (4112, 4958)]