20789747708

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1213}}^1\times {\mathrm{2081}}^1$

素因数の和:3398

約数の個数: 48

約数和(自身を含む): 38216525760

約数和(自身を除く): 17426778052

約数列:

[1, 2, 4, 29, 58, 71, 116, 142, 284, 1213, 2059, 2081, 2426, 4118, 4162, 4852, 8236, 8324, 35177, 60349, 70354, 86123, 120698, 140708, 147751, 172246, 241396, 295502, 344492, 591004, 2497567, 2524253, 4284779, 4995134, 5048506, 8569558, 9990268, 10097012, 17139116, 73203337, 146406674, 179221963, 292813348, 358443926, 716887852, 5197436927, 10394873854, 20789747708]

約数ペア:

[(1, 20789747708), (2, 10394873854), (4, 5197436927), (29, 716887852), (58, 358443926), (71, 292813348), (116, 179221963), (142, 146406674), (284, 73203337), (1213, 17139116), (2059, 10097012), (2081, 9990268), (2426, 8569558), (4118, 5048506), (4162, 4995134), (4852, 4284779), (8236, 2524253), (8324, 2497567), (35177, 591004), (60349, 344492), (70354, 295502), (86123, 241396), (120698, 172246), (140708, 147751)]