20288768

素因数分解:

$2^8\times {\mathrm{41}}^1\times {\mathrm{1933}}^1$

素因数の和:1990

約数の個数: 36

約数和(自身を含む): 41507508

約数和(自身を除く): 21218740

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 656, 1312, 1933, 2624, 3866, 5248, 7732, 10496, 15464, 30928, 61856, 79253, 123712, 158506, 247424, 317012, 494848, 634024, 1268048, 2536096, 5072192, 10144384, 20288768]

約数ペア:

[(1, 20288768), (2, 10144384), (4, 5072192), (8, 2536096), (16, 1268048), (32, 634024), (41, 494848), (64, 317012), (82, 247424), (128, 158506), (164, 123712), (256, 79253), (328, 61856), (656, 30928), (1312, 15464), (1933, 10496), (2624, 7732), (3866, 5248)]