20617352

素因数分解:

$2^3\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1061}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 44349120

約数和(自身を除く): 23731768

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 347, 694, 1061, 1388, 2122, 2429, 2776, 4244, 4858, 7427, 8488, 9716, 14854, 19432, 29708, 59416, 368167, 736334, 1472668, 2577169, 2945336, 5154338, 10308676, 20617352]

約数ペア:

[(1, 20617352), (2, 10308676), (4, 5154338), (7, 2945336), (8, 2577169), (14, 1472668), (28, 736334), (56, 368167), (347, 59416), (694, 29708), (1061, 19432), (1388, 14854), (2122, 9716), (2429, 8488), (2776, 7427), (4244, 4858)]