20178582512

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{328513}}^1$

素因数の和:328881

約数の個数: 40

約数和(自身を含む): 42772522800

約数和(自身を除く): 22593940288

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 349, 698, 1396, 2792, 3839, 5584, 7678, 15356, 30712, 61424, 328513, 657026, 1314052, 2628104, 3613643, 5256208, 7227286, 14454572, 28909144, 57818288, 114651037, 229302074, 458604148, 917208296, 1261161407, 1834416592, 2522322814, 5044645628, 10089291256, 20178582512]

約数ペア:

[(1, 20178582512), (2, 10089291256), (4, 5044645628), (8, 2522322814), (11, 1834416592), (16, 1261161407), (22, 917208296), (44, 458604148), (88, 229302074), (176, 114651037), (349, 57818288), (698, 28909144), (1396, 14454572), (2792, 7227286), (3839, 5256208), (5584, 3613643), (7678, 2628104), (15356, 1314052), (30712, 657026), (61424, 328513)]