2020146520

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{2017}}^1$

素因数の和:2122

約数の個数: 128

約数和(自身を含む): 5375952000

約数和(自身を除く): 3355805480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 73, 98, 140, 146, 196, 245, 280, 292, 343, 365, 392, 490, 511, 584, 686, 730, 980, 1022, 1372, 1460, 1715, 1960, 2017, 2044, 2555, 2744, 2920, 3430, 3577, 4034, 4088, 5110, 6860, 7154, 8068, 10085, 10220, 13720, 14119, 14308, 16136, 17885, 20170, 20440, 25039, 28238, 28616, 35770, 40340, 50078, 56476, 70595, 71540, 80680, 98833, 100156, 112952, 125195, 141190, 143080, 147241, 197666, 200312, 250390, 282380, 294482, 395332, 494165, 500780, 564760, 588964, 691831, 736205, 790664, 988330, 1001560, 1030687, 1177928, 1383662, 1472410, 1976660, 2061374, 2767324, 2944820, 3459155, 3953320, 4122748, 5153435, 5534648, 5889640, 6918310, 7214809, 8245496, 10306870, 13836620, 14429618, 20613740, 27673240, 28859236, 36074045, 41227480, 50503663, 57718472, 72148090, 101007326, 144296180, 202014652, 252518315, 288592360, 404029304, 505036630, 1010073260, 2020146520]

約数ペア:

[(1, 2020146520), (2, 1010073260), (4, 505036630), (5, 404029304), (7, 288592360), (8, 252518315), (10, 202014652), (14, 144296180), (20, 101007326), (28, 72148090), (35, 57718472), (40, 50503663), (49, 41227480), (56, 36074045), (70, 28859236), (73, 27673240), (98, 20613740), (140, 14429618), (146, 13836620), (196, 10306870), (245, 8245496), (280, 7214809), (292, 6918310), (343, 5889640), (365, 5534648), (392, 5153435), (490, 4122748), (511, 3953320), (584, 3459155), (686, 2944820), (730, 2767324), (980, 2061374), (1022, 1976660), (1372, 1472410), (1460, 1383662), (1715, 1177928), (1960, 1030687), (2017, 1001560), (2044, 988330), (2555, 790664), (2744, 736205), (2920, 691831), (3430, 588964), (3577, 564760), (4034, 500780), (4088, 494165), (5110, 395332), (6860, 294482), (7154, 282380), (8068, 250390), (10085, 200312), (10220, 197666), (13720, 147241), (14119, 143080), (14308, 141190), (16136, 125195), (17885, 112952), (20170, 100156), (20440, 98833), (25039, 80680), (28238, 71540), (28616, 70595), (35770, 56476), (40340, 50078)]