20093556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5563}}^1$

素因数の和:5620

約数の個数: 48

約数和(自身を含む): 54838784

約数和(自身を除く): 34745228

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 5563, 11126, 16689, 22252, 33378, 38941, 66756, 77882, 116823, 155764, 233646, 239209, 467292, 478418, 717627, 956836, 1435254, 1674463, 2870508, 3348926, 5023389, 6697852, 10046778, 20093556]

約数ペア:

[(1, 20093556), (2, 10046778), (3, 6697852), (4, 5023389), (6, 3348926), (7, 2870508), (12, 1674463), (14, 1435254), (21, 956836), (28, 717627), (42, 478418), (43, 467292), (84, 239209), (86, 233646), (129, 155764), (172, 116823), (258, 77882), (301, 66756), (516, 38941), (602, 33378), (903, 22252), (1204, 16689), (1806, 11126), (3612, 5563)]