20291570288

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{82529}}^1$

素因数の和:82686

約数の個数: 60

約数和(自身を含む): 43554712320

約数和(自身を除く): 23263142032

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 127, 176, 242, 254, 484, 508, 968, 1016, 1397, 1936, 2032, 2794, 5588, 11176, 15367, 22352, 30734, 61468, 82529, 122936, 165058, 245872, 330116, 660232, 907819, 1320464, 1815638, 3631276, 7262552, 9986009, 10481183, 14525104, 19972018, 20962366, 39944036, 41924732, 79888072, 83849464, 115293013, 159776144, 167698928, 230586026, 461172052, 922344104, 1268223143, 1844688208, 2536446286, 5072892572, 10145785144, 20291570288]

約数ペア:

[(1, 20291570288), (2, 10145785144), (4, 5072892572), (8, 2536446286), (11, 1844688208), (16, 1268223143), (22, 922344104), (44, 461172052), (88, 230586026), (121, 167698928), (127, 159776144), (176, 115293013), (242, 83849464), (254, 79888072), (484, 41924732), (508, 39944036), (968, 20962366), (1016, 19972018), (1397, 14525104), (1936, 10481183), (2032, 9986009), (2794, 7262552), (5588, 3631276), (11176, 1815638), (15367, 1320464), (22352, 907819), (30734, 660232), (61468, 330116), (82529, 245872), (122936, 165058)]