20178292647

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1151}}^1\times {\mathrm{2473}}^1$

素因数の和:3783

約数の個数: 32

約数和(自身を含む): 28728483840

約数和(自身を除く): 8550191193

約数列:

[1, 3, 17, 51, 139, 417, 1151, 2363, 2473, 3453, 7089, 7419, 19567, 42041, 58701, 126123, 159989, 343747, 479967, 1031241, 2719813, 2846423, 5843699, 8159439, 8539269, 17531097, 48389191, 145167573, 395652797, 1186958391, 6726097549, 20178292647]

約数ペア:

[(1, 20178292647), (3, 6726097549), (17, 1186958391), (51, 395652797), (139, 145167573), (417, 48389191), (1151, 17531097), (2363, 8539269), (2473, 8159439), (3453, 5843699), (7089, 2846423), (7419, 2719813), (19567, 1031241), (42041, 479967), (58701, 343747), (126123, 159989)]