20551326992

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{509}}^1$

素因数の和:985

約数の個数: 160

約数和(自身を含む): 48811161600

約数和(自身を除く): 28259834608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 31, 56, 58, 62, 112, 116, 124, 203, 217, 232, 248, 401, 406, 434, 464, 496, 509, 802, 812, 868, 899, 1018, 1604, 1624, 1736, 1798, 2036, 2807, 3208, 3248, 3472, 3563, 3596, 4072, 5614, 6293, 6416, 7126, 7192, 8144, 11228, 11629, 12431, 12586, 14252, 14384, 14761, 15779, 22456, 23258, 24862, 25172, 28504, 29522, 31558, 44912, 46516, 49724, 50344, 57008, 59044, 63116, 81403, 87017, 93032, 99448, 100688, 103327, 110453, 118088, 126232, 162806, 174034, 186064, 198896, 204109, 206654, 220906, 236176, 252464, 325612, 348068, 360499, 408218, 413308, 441812, 457591, 651224, 696136, 720998, 816436, 826616, 883624, 915182, 1302448, 1392272, 1428763, 1441996, 1632872, 1653232, 1767248, 1830364, 2523493, 2857526, 2883992, 3203137, 3265744, 3660728, 5046986, 5715052, 5767984, 5919161, 6327379, 6406274, 7321456, 10093972, 11430104, 11838322, 12654758, 12812548, 20187944, 22860208, 23676644, 25309516, 25625096, 40375888, 41434127, 44291653, 47353288, 50619032, 51250192, 82868254, 88583306, 94706576, 101238064, 165736508, 177166612, 183493991, 331473016, 354333224, 366987982, 662946032, 708666448, 733975964, 1284457937, 1467951928, 2568915874, 2935903856, 5137831748, 10275663496, 20551326992]

約数ペア:

[(1, 20551326992), (2, 10275663496), (4, 5137831748), (7, 2935903856), (8, 2568915874), (14, 1467951928), (16, 1284457937), (28, 733975964), (29, 708666448), (31, 662946032), (56, 366987982), (58, 354333224), (62, 331473016), (112, 183493991), (116, 177166612), (124, 165736508), (203, 101238064), (217, 94706576), (232, 88583306), (248, 82868254), (401, 51250192), (406, 50619032), (434, 47353288), (464, 44291653), (496, 41434127), (509, 40375888), (802, 25625096), (812, 25309516), (868, 23676644), (899, 22860208), (1018, 20187944), (1604, 12812548), (1624, 12654758), (1736, 11838322), (1798, 11430104), (2036, 10093972), (2807, 7321456), (3208, 6406274), (3248, 6327379), (3472, 5919161), (3563, 5767984), (3596, 5715052), (4072, 5046986), (5614, 3660728), (6293, 3265744), (6416, 3203137), (7126, 2883992), (7192, 2857526), (8144, 2523493), (11228, 1830364), (11629, 1767248), (12431, 1653232), (12586, 1632872), (14252, 1441996), (14384, 1428763), (14761, 1392272), (15779, 1302448), (22456, 915182), (23258, 883624), (24862, 826616), (25172, 816436), (28504, 720998), (29522, 696136), (31558, 651224), (44912, 457591), (46516, 441812), (49724, 413308), (50344, 408218), (57008, 360499), (59044, 348068), (63116, 325612), (81403, 252464), (87017, 236176), (93032, 220906), (99448, 206654), (100688, 204109), (103327, 198896), (110453, 186064), (118088, 174034), (126232, 162806)]