20980405620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{719}}^1\times {\mathrm{54037}}^1$

素因数の和:54774

約数の個数: 96

約数和(自身を含む): 65364364800

約数和(自身を除く): 44383959180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 719, 1438, 2157, 2876, 3595, 4314, 6471, 7190, 8628, 10785, 12942, 14380, 19413, 21570, 25884, 32355, 38826, 43140, 54037, 64710, 77652, 97065, 108074, 129420, 162111, 194130, 216148, 270185, 324222, 388260, 486333, 540370, 648444, 810555, 972666, 1080740, 1458999, 1621110, 1945332, 2431665, 2917998, 3242220, 4863330, 5835996, 7294995, 9726660, 14589990, 29179980, 38852603, 77705206, 116557809, 155410412, 194263015, 233115618, 349673427, 388526030, 466231236, 582789045, 699346854, 777052060, 1049020281, 1165578090, 1398693708, 1748367135, 2098040562, 2331156180, 3496734270, 4196081124, 5245101405, 6993468540, 10490202810, 20980405620]

約数ペア:

[(1, 20980405620), (2, 10490202810), (3, 6993468540), (4, 5245101405), (5, 4196081124), (6, 3496734270), (9, 2331156180), (10, 2098040562), (12, 1748367135), (15, 1398693708), (18, 1165578090), (20, 1049020281), (27, 777052060), (30, 699346854), (36, 582789045), (45, 466231236), (54, 388526030), (60, 349673427), (90, 233115618), (108, 194263015), (135, 155410412), (180, 116557809), (270, 77705206), (540, 38852603), (719, 29179980), (1438, 14589990), (2157, 9726660), (2876, 7294995), (3595, 5835996), (4314, 4863330), (6471, 3242220), (7190, 2917998), (8628, 2431665), (10785, 1945332), (12942, 1621110), (14380, 1458999), (19413, 1080740), (21570, 972666), (25884, 810555), (32355, 648444), (38826, 540370), (43140, 486333), (54037, 388260), (64710, 324222), (77652, 270185), (97065, 216148), (108074, 194130), (129420, 162111)]