20540508

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{503}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 49787136

約数和(自身を除く): 29246628

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 83, 123, 164, 166, 246, 249, 332, 492, 498, 503, 996, 1006, 1509, 2012, 3018, 3403, 6036, 6806, 10209, 13612, 20418, 20623, 40836, 41246, 41749, 61869, 82492, 83498, 123738, 125247, 166996, 247476, 250494, 500988, 1711709, 3423418, 5135127, 6846836, 10270254, 20540508]

約数ペア:

[(1, 20540508), (2, 10270254), (3, 6846836), (4, 5135127), (6, 3423418), (12, 1711709), (41, 500988), (82, 250494), (83, 247476), (123, 166996), (164, 125247), (166, 123738), (246, 83498), (249, 82492), (332, 61869), (492, 41749), (498, 41246), (503, 40836), (996, 20623), (1006, 20418), (1509, 13612), (2012, 10209), (3018, 6806), (3403, 6036)]