20928432

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 62297600

約数和(自身を除く): 41369168

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 199, 313, 336, 398, 597, 626, 796, 939, 1194, 1252, 1393, 1592, 1878, 2191, 2388, 2504, 2786, 3184, 3756, 4179, 4382, 4776, 5008, 5572, 6573, 7512, 8358, 8764, 9552, 11144, 13146, 15024, 16716, 17528, 22288, 26292, 33432, 35056, 52584, 62287, 66864, 105168, 124574, 186861, 249148, 373722, 436009, 498296, 747444, 872018, 996592, 1308027, 1494888, 1744036, 2616054, 2989776, 3488072, 5232108, 6976144, 10464216, 20928432]

約数ペア:

[(1, 20928432), (2, 10464216), (3, 6976144), (4, 5232108), (6, 3488072), (7, 2989776), (8, 2616054), (12, 1744036), (14, 1494888), (16, 1308027), (21, 996592), (24, 872018), (28, 747444), (42, 498296), (48, 436009), (56, 373722), (84, 249148), (112, 186861), (168, 124574), (199, 105168), (313, 66864), (336, 62287), (398, 52584), (597, 35056), (626, 33432), (796, 26292), (939, 22288), (1194, 17528), (1252, 16716), (1393, 15024), (1592, 13146), (1878, 11144), (2191, 9552), (2388, 8764), (2504, 8358), (2786, 7512), (3184, 6573), (3756, 5572), (4179, 5008), (4382, 4776)]