20707456

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^2\times {\mathrm{191}}^1$

素因数の和:234

約数の個数: 96

約数和(自身を含む): 52093440

約数和(自身を除く): 31385984

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 121, 128, 154, 176, 191, 224, 242, 308, 352, 382, 448, 484, 616, 704, 764, 847, 896, 968, 1232, 1337, 1408, 1528, 1694, 1936, 2101, 2464, 2674, 3056, 3388, 3872, 4202, 4928, 5348, 6112, 6776, 7744, 8404, 9856, 10696, 12224, 13552, 14707, 15488, 16808, 21392, 23111, 24448, 27104, 29414, 33616, 42784, 46222, 54208, 58828, 67232, 85568, 92444, 108416, 117656, 134464, 161777, 171136, 184888, 235312, 268928, 323554, 369776, 470624, 647108, 739552, 941248, 1294216, 1479104, 1882496, 2588432, 2958208, 5176864, 10353728, 20707456]

約数ペア:

[(1, 20707456), (2, 10353728), (4, 5176864), (7, 2958208), (8, 2588432), (11, 1882496), (14, 1479104), (16, 1294216), (22, 941248), (28, 739552), (32, 647108), (44, 470624), (56, 369776), (64, 323554), (77, 268928), (88, 235312), (112, 184888), (121, 171136), (128, 161777), (154, 134464), (176, 117656), (191, 108416), (224, 92444), (242, 85568), (308, 67232), (352, 58828), (382, 54208), (448, 46222), (484, 42784), (616, 33616), (704, 29414), (764, 27104), (847, 24448), (896, 23111), (968, 21392), (1232, 16808), (1337, 15488), (1408, 14707), (1528, 13552), (1694, 12224), (1936, 10696), (2101, 9856), (2464, 8404), (2674, 7744), (3056, 6776), (3388, 6112), (3872, 5348), (4202, 4928)]