20997744

素因数分解:

$2^4\times 3^1\times {\mathrm{617}}^1\times {\mathrm{709}}^1$

素因数の和:1337

約数の個数: 40

約数和(自身を含む): 54408720

約数和(自身を除く): 33410976

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 617, 709, 1234, 1418, 1851, 2127, 2468, 2836, 3702, 4254, 4936, 5672, 7404, 8508, 9872, 11344, 14808, 17016, 29616, 34032, 437453, 874906, 1312359, 1749812, 2624718, 3499624, 5249436, 6999248, 10498872, 20997744]

約数ペア:

[(1, 20997744), (2, 10498872), (3, 6999248), (4, 5249436), (6, 3499624), (8, 2624718), (12, 1749812), (16, 1312359), (24, 874906), (48, 437453), (617, 34032), (709, 29616), (1234, 17016), (1418, 14808), (1851, 11344), (2127, 9872), (2468, 8508), (2836, 7404), (3702, 5672), (4254, 4936)]