20430208

素因数分解:

$2^7\times {\mathrm{193}}^1\times {\mathrm{827}}^1$

素因数の和:1034

約数の個数: 32

約数和(自身を含む): 40961160

約数和(自身を除く): 20530952

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 193, 386, 772, 827, 1544, 1654, 3088, 3308, 6176, 6616, 12352, 13232, 24704, 26464, 52928, 105856, 159611, 319222, 638444, 1276888, 2553776, 5107552, 10215104, 20430208]

約数ペア:

[(1, 20430208), (2, 10215104), (4, 5107552), (8, 2553776), (16, 1276888), (32, 638444), (64, 319222), (128, 159611), (193, 105856), (386, 52928), (772, 26464), (827, 24704), (1544, 13232), (1654, 12352), (3088, 6616), (3308, 6176)]