20916494896

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1091}}^1\times {\mathrm{1123}}^1$

素因数の和:2330

約数の個数: 80

約数和(自身を含む): 44746386048

約数和(自身を除く): 23829891152

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 97, 176, 194, 388, 776, 1067, 1091, 1123, 1552, 2134, 2182, 2246, 4268, 4364, 4492, 8536, 8728, 8984, 12001, 12353, 17072, 17456, 17968, 24002, 24706, 48004, 49412, 96008, 98824, 105827, 108931, 192016, 197648, 211654, 217862, 423308, 435724, 846616, 871448, 1164097, 1198241, 1225193, 1693232, 1742896, 2328194, 2396482, 2450386, 4656388, 4792964, 4900772, 9312776, 9585928, 9801544, 13477123, 18625552, 19171856, 19603088, 26954246, 53908492, 107816984, 118843721, 215633968, 237687442, 475374884, 950749768, 1307280931, 1901499536, 2614561862, 5229123724, 10458247448, 20916494896]

約数ペア:

[(1, 20916494896), (2, 10458247448), (4, 5229123724), (8, 2614561862), (11, 1901499536), (16, 1307280931), (22, 950749768), (44, 475374884), (88, 237687442), (97, 215633968), (176, 118843721), (194, 107816984), (388, 53908492), (776, 26954246), (1067, 19603088), (1091, 19171856), (1123, 18625552), (1552, 13477123), (2134, 9801544), (2182, 9585928), (2246, 9312776), (4268, 4900772), (4364, 4792964), (4492, 4656388), (8536, 2450386), (8728, 2396482), (8984, 2328194), (12001, 1742896), (12353, 1693232), (17072, 1225193), (17456, 1198241), (17968, 1164097), (24002, 871448), (24706, 846616), (48004, 435724), (49412, 423308), (96008, 217862), (98824, 211654), (105827, 197648), (108931, 192016)]