20176490992

素因数分解:

$2^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{293}}^1\times {\mathrm{3121}}^1$

素因数の和:3626

約数の個数: 80

約数和(自身を含む): 45070990272

約数和(自身を除く): 24894499280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 197, 293, 394, 586, 788, 1172, 1379, 1576, 2051, 2344, 2758, 3121, 3152, 4102, 4688, 5516, 6242, 8204, 11032, 12484, 16408, 21847, 22064, 24968, 32816, 43694, 49936, 57721, 87388, 115442, 174776, 230884, 349552, 404047, 461768, 614837, 808094, 914453, 923536, 1229674, 1616188, 1828906, 2459348, 3232376, 3657812, 4303859, 4918696, 6401171, 6464752, 7315624, 8607718, 9837392, 12802342, 14631248, 17215436, 25604684, 34430872, 51209368, 68861744, 102418736, 180147241, 360294482, 720588964, 1261030687, 1441177928, 2522061374, 2882355856, 5044122748, 10088245496, 20176490992]

約数ペア:

[(1, 20176490992), (2, 10088245496), (4, 5044122748), (7, 2882355856), (8, 2522061374), (14, 1441177928), (16, 1261030687), (28, 720588964), (56, 360294482), (112, 180147241), (197, 102418736), (293, 68861744), (394, 51209368), (586, 34430872), (788, 25604684), (1172, 17215436), (1379, 14631248), (1576, 12802342), (2051, 9837392), (2344, 8607718), (2758, 7315624), (3121, 6464752), (3152, 6401171), (4102, 4918696), (4688, 4303859), (5516, 3657812), (6242, 3232376), (8204, 2459348), (11032, 1828906), (12484, 1616188), (16408, 1229674), (21847, 923536), (22064, 914453), (24968, 808094), (32816, 614837), (43694, 461768), (49936, 404047), (57721, 349552), (87388, 230884), (115442, 174776)]