20196156680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{5647}}^1$

素因数の和:5959

約数の個数: 128

約数和(自身を含む): 53141806080

約数和(自身を除く): 32945649400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 241, 265, 280, 371, 424, 482, 530, 742, 964, 1060, 1205, 1484, 1687, 1855, 1928, 2120, 2410, 2968, 3374, 3710, 4820, 5647, 6748, 7420, 8435, 9640, 11294, 12773, 13496, 14840, 16870, 22588, 25546, 28235, 33740, 39529, 45176, 51092, 56470, 63865, 67480, 79058, 89411, 102184, 112940, 127730, 158116, 178822, 197645, 225880, 255460, 299291, 316232, 357644, 395290, 447055, 510920, 598582, 715288, 790580, 894110, 1197164, 1360927, 1496455, 1581160, 1788220, 2095037, 2394328, 2721854, 2992910, 3576440, 4190074, 5443708, 5985820, 6804635, 8380148, 9526489, 10475185, 10887416, 11971640, 13609270, 16760296, 19052978, 20950370, 27218540, 38105956, 41900740, 47632445, 54437080, 72129131, 76211912, 83801480, 95264890, 144258262, 190529780, 288516524, 360645655, 381059560, 504903917, 577033048, 721291310, 1009807834, 1442582620, 2019615668, 2524519585, 2885165240, 4039231336, 5049039170, 10098078340, 20196156680]

約数ペア:

[(1, 20196156680), (2, 10098078340), (4, 5049039170), (5, 4039231336), (7, 2885165240), (8, 2524519585), (10, 2019615668), (14, 1442582620), (20, 1009807834), (28, 721291310), (35, 577033048), (40, 504903917), (53, 381059560), (56, 360645655), (70, 288516524), (106, 190529780), (140, 144258262), (212, 95264890), (241, 83801480), (265, 76211912), (280, 72129131), (371, 54437080), (424, 47632445), (482, 41900740), (530, 38105956), (742, 27218540), (964, 20950370), (1060, 19052978), (1205, 16760296), (1484, 13609270), (1687, 11971640), (1855, 10887416), (1928, 10475185), (2120, 9526489), (2410, 8380148), (2968, 6804635), (3374, 5985820), (3710, 5443708), (4820, 4190074), (5647, 3576440), (6748, 2992910), (7420, 2721854), (8435, 2394328), (9640, 2095037), (11294, 1788220), (12773, 1581160), (13496, 1496455), (14840, 1360927), (16870, 1197164), (22588, 894110), (25546, 790580), (28235, 715288), (33740, 598582), (39529, 510920), (45176, 447055), (51092, 395290), (56470, 357644), (63865, 316232), (67480, 299291), (79058, 255460), (89411, 225880), (102184, 197645), (112940, 178822), (127730, 158116)]