20187216

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{2861}}^1$

素因数の和:2889

約数の個数: 90

約数和(自身を含む): 65743002

約数和(自身を除く): 45555786

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 2861, 3528, 5722, 7056, 8583, 11444, 17166, 20027, 22888, 25749, 34332, 40054, 45776, 51498, 60081, 68664, 80108, 102996, 120162, 137328, 140189, 160216, 180243, 205992, 240324, 280378, 320432, 360486, 411984, 420567, 480648, 560756, 720972, 841134, 961296, 1121512, 1261701, 1441944, 1682268, 2243024, 2523402, 2883888, 3364536, 5046804, 6729072, 10093608, 20187216]

約数ペア:

[(1, 20187216), (2, 10093608), (3, 6729072), (4, 5046804), (6, 3364536), (7, 2883888), (8, 2523402), (9, 2243024), (12, 1682268), (14, 1441944), (16, 1261701), (18, 1121512), (21, 961296), (24, 841134), (28, 720972), (36, 560756), (42, 480648), (48, 420567), (49, 411984), (56, 360486), (63, 320432), (72, 280378), (84, 240324), (98, 205992), (112, 180243), (126, 160216), (144, 140189), (147, 137328), (168, 120162), (196, 102996), (252, 80108), (294, 68664), (336, 60081), (392, 51498), (441, 45776), (504, 40054), (588, 34332), (784, 25749), (882, 22888), (1008, 20027), (1176, 17166), (1764, 11444), (2352, 8583), (2861, 7056), (3528, 5722)]