20574092

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{997}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 45604608

約数和(自身を除く): 25030516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 67, 77, 134, 154, 268, 308, 469, 737, 938, 997, 1474, 1876, 1994, 2948, 3988, 5159, 6979, 10318, 10967, 13958, 20636, 21934, 27916, 43868, 66799, 76769, 133598, 153538, 267196, 307076, 467593, 734789, 935186, 1469578, 1870372, 2939156, 5143523, 10287046, 20574092]

約数ペア:

[(1, 20574092), (2, 10287046), (4, 5143523), (7, 2939156), (11, 1870372), (14, 1469578), (22, 935186), (28, 734789), (44, 467593), (67, 307076), (77, 267196), (134, 153538), (154, 133598), (268, 76769), (308, 66799), (469, 43868), (737, 27916), (938, 21934), (997, 20636), (1474, 13958), (1876, 10967), (1994, 10318), (2948, 6979), (3988, 5159)]