20997672

素因数分解:

$2^3\times 3^1\times {\mathrm{83}}^2\times {\mathrm{127}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 53552640

約数和(自身を除く): 32554968

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 83, 127, 166, 249, 254, 332, 381, 498, 508, 664, 762, 996, 1016, 1524, 1992, 3048, 6889, 10541, 13778, 20667, 21082, 27556, 31623, 41334, 42164, 55112, 63246, 82668, 84328, 126492, 165336, 252984, 874903, 1749806, 2624709, 3499612, 5249418, 6999224, 10498836, 20997672]

約数ペア:

[(1, 20997672), (2, 10498836), (3, 6999224), (4, 5249418), (6, 3499612), (8, 2624709), (12, 1749806), (24, 874903), (83, 252984), (127, 165336), (166, 126492), (249, 84328), (254, 82668), (332, 63246), (381, 55112), (498, 42164), (508, 41334), (664, 31623), (762, 27556), (996, 21082), (1016, 20667), (1524, 13778), (1992, 10541), (3048, 6889)]