20543984

素因数分解:

$2^4\times {\mathrm{709}}^1\times {\mathrm{1811}}^1$

素因数の和:2528

約数の個数: 20

約数和(自身を含む): 39882120

約数和(自身を除く): 19338136

約数列:

[1, 2, 4, 8, 16, 709, 1418, 1811, 2836, 3622, 5672, 7244, 11344, 14488, 28976, 1283999, 2567998, 5135996, 10271992, 20543984]

約数ペア:

[(1, 20543984), (2, 10271992), (4, 5135996), (8, 2567998), (16, 1283999), (709, 28976), (1418, 14488), (1811, 11344), (2836, 7244), (3622, 5672)]