20778868638

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{7159}}^1$

素因数の和:7422

約数の個数: 96

約数和(自身を含む): 49941515520

約数和(自身を除く): 29162646882

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 107, 137, 198, 214, 274, 321, 411, 642, 822, 963, 1177, 1233, 1507, 1926, 2354, 2466, 3014, 3531, 4521, 7062, 7159, 9042, 10593, 13563, 14318, 14659, 21186, 21477, 27126, 29318, 42954, 43977, 64431, 78749, 87954, 128862, 131931, 157498, 161249, 236247, 263862, 322498, 472494, 483747, 708741, 766013, 967494, 980783, 1417482, 1451241, 1532026, 1961566, 2298039, 2902482, 2942349, 4596078, 5884698, 6894117, 8426143, 8827047, 10788613, 13788234, 16852286, 17654094, 21577226, 25278429, 32365839, 50556858, 64731678, 75835287, 97097517, 104943781, 151670574, 194195034, 209887562, 314831343, 629662686, 944494029, 1154381591, 1888988058, 2308763182, 3463144773, 6926289546, 10389434319, 20778868638]

約数ペア:

[(1, 20778868638), (2, 10389434319), (3, 6926289546), (6, 3463144773), (9, 2308763182), (11, 1888988058), (18, 1154381591), (22, 944494029), (33, 629662686), (66, 314831343), (99, 209887562), (107, 194195034), (137, 151670574), (198, 104943781), (214, 97097517), (274, 75835287), (321, 64731678), (411, 50556858), (642, 32365839), (822, 25278429), (963, 21577226), (1177, 17654094), (1233, 16852286), (1507, 13788234), (1926, 10788613), (2354, 8827047), (2466, 8426143), (3014, 6894117), (3531, 5884698), (4521, 4596078), (7062, 2942349), (7159, 2902482), (9042, 2298039), (10593, 1961566), (13563, 1532026), (14318, 1451241), (14659, 1417482), (21186, 980783), (21477, 967494), (27126, 766013), (29318, 708741), (42954, 483747), (43977, 472494), (64431, 322498), (78749, 263862), (87954, 236247), (128862, 161249), (131931, 157498)]