20408065876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{545029}}^1$

素因数の和:545104

約数の個数: 48

約数和(自身を含む): 41753658240

約数和(自身を除く): 21345592364

約数列:

[1, 2, 4, 11, 22, 23, 37, 44, 46, 74, 92, 148, 253, 407, 506, 814, 851, 1012, 1628, 1702, 3404, 9361, 18722, 37444, 545029, 1090058, 2180116, 5995319, 11990638, 12535667, 20166073, 23981276, 25071334, 40332146, 50142668, 80664292, 137892337, 221826803, 275784674, 443653606, 463819679, 551569348, 887307212, 927639358, 1855278716, 5102016469, 10204032938, 20408065876]

約数ペア:

[(1, 20408065876), (2, 10204032938), (4, 5102016469), (11, 1855278716), (22, 927639358), (23, 887307212), (37, 551569348), (44, 463819679), (46, 443653606), (74, 275784674), (92, 221826803), (148, 137892337), (253, 80664292), (407, 50142668), (506, 40332146), (814, 25071334), (851, 23981276), (1012, 20166073), (1628, 12535667), (1702, 11990638), (3404, 5995319), (9361, 2180116), (18722, 1090058), (37444, 545029)]