20409821168

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{340073}}^1$

素因数の和:340134

約数の個数: 60

約数和(自身を含む): 44868003264

約数和(自身を除く): 24458182096

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 121, 124, 176, 242, 248, 341, 484, 496, 682, 968, 1364, 1936, 2728, 3751, 5456, 7502, 15004, 30008, 60016, 340073, 680146, 1360292, 2720584, 3740803, 5441168, 7481606, 10542263, 14963212, 21084526, 29926424, 41148833, 42169052, 59852848, 82297666, 84338104, 115964893, 164595332, 168676208, 231929786, 329190664, 463859572, 658381328, 927719144, 1275613823, 1855438288, 2551227646, 5102455292, 10204910584, 20409821168]

約数ペア:

[(1, 20409821168), (2, 10204910584), (4, 5102455292), (8, 2551227646), (11, 1855438288), (16, 1275613823), (22, 927719144), (31, 658381328), (44, 463859572), (62, 329190664), (88, 231929786), (121, 168676208), (124, 164595332), (176, 115964893), (242, 84338104), (248, 82297666), (341, 59852848), (484, 42169052), (496, 41148833), (682, 29926424), (968, 21084526), (1364, 14963212), (1936, 10542263), (2728, 7481606), (3751, 5441168), (5456, 3740803), (7502, 2720584), (15004, 1360292), (30008, 680146), (60016, 340073)]