20209616

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9497}}^1$

素因数の和:9531

約数の個数: 40

約数和(自身を含む): 47110080

約数和(自身を除く): 26900464

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9497, 18994, 37988, 66479, 75976, 132958, 151952, 180443, 265916, 360886, 531832, 721772, 1063664, 1263101, 1443544, 2526202, 2887088, 5052404, 10104808, 20209616]

約数ペア:

[(1, 20209616), (2, 10104808), (4, 5052404), (7, 2887088), (8, 2526202), (14, 1443544), (16, 1263101), (19, 1063664), (28, 721772), (38, 531832), (56, 360886), (76, 265916), (112, 180443), (133, 151952), (152, 132958), (266, 75976), (304, 66479), (532, 37988), (1064, 18994), (2128, 9497)]