20418832

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5881}}^1$

素因数の和:5927

約数の個数: 40

約数和(自身を含む): 46679552

約数和(自身を除く): 26260720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 5881, 11762, 23524, 41167, 47048, 82334, 94096, 164668, 182311, 329336, 364622, 658672, 729244, 1276177, 1458488, 2552354, 2916976, 5104708, 10209416, 20418832]

約数ペア:

[(1, 20418832), (2, 10209416), (4, 5104708), (7, 2916976), (8, 2552354), (14, 1458488), (16, 1276177), (28, 729244), (31, 658672), (56, 364622), (62, 329336), (112, 182311), (124, 164668), (217, 94096), (248, 82334), (434, 47048), (496, 41167), (868, 23524), (1736, 11762), (3472, 5881)]