20808934020

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{1835003}}^1$

素因数の和:1835031

約数の個数: 120

約数和(自身を含む): 74603922624

約数和(自身を除く): 53794988604

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 1835003, 3670006, 5505009, 7340012, 9175015, 11010018, 12845021, 16515027, 18350030, 22020036, 25690042, 27525045, 33030054, 36700060, 38535063, 49545081, 51380084, 55050090, 64225105, 66060108, 77070126, 82575135, 99090162, 110100180, 115605189, 128450210, 148635243, 154140252, 165150270, 192675315, 198180324, 231210378, 247725405, 256900420, 297270486, 330300540, 346815567, 385350630, 462420756, 495450810, 578025945, 594540972, 693631134, 743176215, 770701260, 990901620, 1040446701, 1156051890, 1387262268, 1486352430, 1734077835, 2080893402, 2312103780, 2972704860, 3468155670, 4161786804, 5202233505, 6936311340, 10404467010, 20808934020]

約数ペア:

[(1, 20808934020), (2, 10404467010), (3, 6936311340), (4, 5202233505), (5, 4161786804), (6, 3468155670), (7, 2972704860), (9, 2312103780), (10, 2080893402), (12, 1734077835), (14, 1486352430), (15, 1387262268), (18, 1156051890), (20, 1040446701), (21, 990901620), (27, 770701260), (28, 743176215), (30, 693631134), (35, 594540972), (36, 578025945), (42, 495450810), (45, 462420756), (54, 385350630), (60, 346815567), (63, 330300540), (70, 297270486), (81, 256900420), (84, 247725405), (90, 231210378), (105, 198180324), (108, 192675315), (126, 165150270), (135, 154140252), (140, 148635243), (162, 128450210), (180, 115605189), (189, 110100180), (210, 99090162), (252, 82575135), (270, 77070126), (315, 66060108), (324, 64225105), (378, 55050090), (405, 51380084), (420, 49545081), (540, 38535063), (567, 36700060), (630, 33030054), (756, 27525045), (810, 25690042), (945, 22020036), (1134, 18350030), (1260, 16515027), (1620, 12845021), (1890, 11010018), (2268, 9175015), (2835, 7340012), (3780, 5505009), (5670, 3670006), (11340, 1835003)]