20133328

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:595

約数の個数: 40

約数和(自身を含む): 40711680

約数和(自身を除く): 20578352

約数列:

[1, 2, 4, 8, 16, 37, 71, 74, 142, 148, 284, 296, 479, 568, 592, 958, 1136, 1916, 2627, 3832, 5254, 7664, 10508, 17723, 21016, 34009, 35446, 42032, 68018, 70892, 136036, 141784, 272072, 283568, 544144, 1258333, 2516666, 5033332, 10066664, 20133328]

約数ペア:

[(1, 20133328), (2, 10066664), (4, 5033332), (8, 2516666), (16, 1258333), (37, 544144), (71, 283568), (74, 272072), (142, 141784), (148, 136036), (284, 70892), (296, 68018), (479, 42032), (568, 35446), (592, 34009), (958, 21016), (1136, 17723), (1916, 10508), (2627, 7664), (3832, 5254)]