20208552

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 65587200

約数和(自身を除く): 45378648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 19, 21, 24, 26, 28, 38, 39, 42, 52, 56, 57, 76, 78, 84, 91, 104, 114, 133, 152, 156, 168, 182, 228, 247, 266, 273, 312, 364, 399, 456, 487, 494, 532, 546, 728, 741, 798, 974, 988, 1064, 1092, 1461, 1482, 1596, 1729, 1948, 1976, 2184, 2922, 2964, 3192, 3409, 3458, 3896, 5187, 5844, 5928, 6331, 6818, 6916, 9253, 10227, 10374, 11688, 12662, 13636, 13832, 18506, 18993, 20454, 20748, 25324, 27272, 27759, 37012, 37986, 40908, 41496, 44317, 50648, 55518, 64771, 74024, 75972, 81816, 88634, 111036, 120289, 129542, 132951, 151944, 177268, 194313, 222072, 240578, 259084, 265902, 354536, 360867, 388626, 481156, 518168, 531804, 721734, 777252, 842023, 962312, 1063608, 1443468, 1554504, 1684046, 2526069, 2886936, 3368092, 5052138, 6736184, 10104276, 20208552]

約数ペア:

[(1, 20208552), (2, 10104276), (3, 6736184), (4, 5052138), (6, 3368092), (7, 2886936), (8, 2526069), (12, 1684046), (13, 1554504), (14, 1443468), (19, 1063608), (21, 962312), (24, 842023), (26, 777252), (28, 721734), (38, 531804), (39, 518168), (42, 481156), (52, 388626), (56, 360867), (57, 354536), (76, 265902), (78, 259084), (84, 240578), (91, 222072), (104, 194313), (114, 177268), (133, 151944), (152, 132951), (156, 129542), (168, 120289), (182, 111036), (228, 88634), (247, 81816), (266, 75972), (273, 74024), (312, 64771), (364, 55518), (399, 50648), (456, 44317), (487, 41496), (494, 40908), (532, 37986), (546, 37012), (728, 27759), (741, 27272), (798, 25324), (974, 20748), (988, 20454), (1064, 18993), (1092, 18506), (1461, 13832), (1482, 13636), (1596, 12662), (1729, 11688), (1948, 10374), (1976, 10227), (2184, 9253), (2922, 6916), (2964, 6818), (3192, 6331), (3409, 5928), (3458, 5844), (3896, 5187)]