20707072

素因数分解:

$2^8\times {\mathrm{47}}^1\times {\mathrm{1721}}^1$

素因数の和:1784

約数の個数: 36

約数和(自身を含む): 42237216

約数和(自身を除く): 21530144

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 256, 376, 752, 1504, 1721, 3008, 3442, 6016, 6884, 12032, 13768, 27536, 55072, 80887, 110144, 161774, 220288, 323548, 440576, 647096, 1294192, 2588384, 5176768, 10353536, 20707072]

約数ペア:

[(1, 20707072), (2, 10353536), (4, 5176768), (8, 2588384), (16, 1294192), (32, 647096), (47, 440576), (64, 323548), (94, 220288), (128, 161774), (188, 110144), (256, 80887), (376, 55072), (752, 27536), (1504, 13768), (1721, 12032), (3008, 6884), (3442, 6016)]