20208216

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3251}}^1$

素因数の和:3304

約数の個数: 64

約数和(自身を含む): 59316480

約数和(自身を除く): 39108264

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 148, 168, 222, 259, 296, 444, 518, 777, 888, 1036, 1554, 2072, 3108, 3251, 6216, 6502, 9753, 13004, 19506, 22757, 26008, 39012, 45514, 68271, 78024, 91028, 120287, 136542, 182056, 240574, 273084, 360861, 481148, 546168, 721722, 842009, 962296, 1443444, 1684018, 2526027, 2886888, 3368036, 5052054, 6736072, 10104108, 20208216]

約数ペア:

[(1, 20208216), (2, 10104108), (3, 6736072), (4, 5052054), (6, 3368036), (7, 2886888), (8, 2526027), (12, 1684018), (14, 1443444), (21, 962296), (24, 842009), (28, 721722), (37, 546168), (42, 481148), (56, 360861), (74, 273084), (84, 240574), (111, 182056), (148, 136542), (168, 120287), (222, 91028), (259, 78024), (296, 68271), (444, 45514), (518, 39012), (777, 26008), (888, 22757), (1036, 19506), (1554, 13004), (2072, 9753), (3108, 6502), (3251, 6216)]