20622448

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1$

素因数の和:926

約数の個数: 80

約数和(自身を含む): 52496640

約数和(自身を除く): 31874192

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 56, 76, 77, 88, 112, 133, 152, 154, 176, 209, 266, 304, 308, 418, 532, 616, 836, 881, 1064, 1232, 1463, 1672, 1762, 2128, 2926, 3344, 3524, 5852, 6167, 7048, 9691, 11704, 12334, 14096, 16739, 19382, 23408, 24668, 33478, 38764, 49336, 66956, 67837, 77528, 98672, 117173, 133912, 135674, 155056, 184129, 234346, 267824, 271348, 368258, 468692, 542696, 736516, 937384, 1085392, 1288903, 1473032, 1874768, 2577806, 2946064, 5155612, 10311224, 20622448]

約数ペア:

[(1, 20622448), (2, 10311224), (4, 5155612), (7, 2946064), (8, 2577806), (11, 1874768), (14, 1473032), (16, 1288903), (19, 1085392), (22, 937384), (28, 736516), (38, 542696), (44, 468692), (56, 368258), (76, 271348), (77, 267824), (88, 234346), (112, 184129), (133, 155056), (152, 135674), (154, 133912), (176, 117173), (209, 98672), (266, 77528), (304, 67837), (308, 66956), (418, 49336), (532, 38764), (616, 33478), (836, 24668), (881, 23408), (1064, 19382), (1232, 16739), (1463, 14096), (1672, 12334), (1762, 11704), (2128, 9691), (2926, 7048), (3344, 6167), (3524, 5852)]