20216768721

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{359}}^1\times {\mathrm{5119}}^1$

素因数の和:5693

約数の個数: 32

約数和(自身を含む): 28606464000

約数和(自身を除く): 8389695279

約数列:

[1, 3, 19, 57, 193, 359, 579, 1077, 3667, 5119, 6821, 11001, 15357, 20463, 69287, 97261, 207861, 291783, 987967, 1316453, 1837721, 2963901, 3949359, 5513163, 18771373, 34916699, 56314119, 104750097, 354680153, 1064040459, 6738922907, 20216768721]

約数ペア:

[(1, 20216768721), (3, 6738922907), (19, 1064040459), (57, 354680153), (193, 104750097), (359, 56314119), (579, 34916699), (1077, 18771373), (3667, 5513163), (5119, 3949359), (6821, 2963901), (11001, 1837721), (15357, 1316453), (20463, 987967), (69287, 291783), (97261, 207861)]