20875136

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{2297}}^1$

素因数の和:2382

約数の個数: 32

約数和(自身を含む): 42191280

約数和(自身を除く): 21316144

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 568, 1136, 2272, 2297, 4544, 4594, 9088, 9188, 18376, 36752, 73504, 147008, 163087, 294016, 326174, 652348, 1304696, 2609392, 5218784, 10437568, 20875136]

約数ペア:

[(1, 20875136), (2, 10437568), (4, 5218784), (8, 2609392), (16, 1304696), (32, 652348), (64, 326174), (71, 294016), (128, 163087), (142, 147008), (284, 73504), (568, 36752), (1136, 18376), (2272, 9188), (2297, 9088), (4544, 4594)]