20708608

素因数分解:

$2^8\times {\mathrm{41}}^1\times {\mathrm{1973}}^1$

素因数の和:2030

約数の個数: 36

約数和(自身を含む): 42365988

約数和(自身を除く): 21657380

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 656, 1312, 1973, 2624, 3946, 5248, 7892, 10496, 15784, 31568, 63136, 80893, 126272, 161786, 252544, 323572, 505088, 647144, 1294288, 2588576, 5177152, 10354304, 20708608]

約数ペア:

[(1, 20708608), (2, 10354304), (4, 5177152), (8, 2588576), (16, 1294288), (32, 647144), (41, 505088), (64, 323572), (82, 252544), (128, 161786), (164, 126272), (256, 80893), (328, 63136), (656, 31568), (1312, 15784), (1973, 10496), (2624, 7892), (3946, 5248)]