20173536068

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{438517}}^1$

素因数の和:438612

約数の個数: 48

約数和(自身を含む): 42434509824

約数和(自身を除く): 22260973756

約数列:

[1, 2, 4, 7, 14, 28, 31, 53, 62, 106, 124, 212, 217, 371, 434, 742, 868, 1484, 1643, 3286, 6572, 11501, 23002, 46004, 438517, 877034, 1754068, 3069619, 6139238, 12278476, 13594027, 23241401, 27188054, 46482802, 54376108, 92965604, 95158189, 162689807, 190316378, 325379614, 380632756, 650759228, 720483431, 1440966862, 2881933724, 5043384017, 10086768034, 20173536068]

約数ペア:

[(1, 20173536068), (2, 10086768034), (4, 5043384017), (7, 2881933724), (14, 1440966862), (28, 720483431), (31, 650759228), (53, 380632756), (62, 325379614), (106, 190316378), (124, 162689807), (212, 95158189), (217, 92965604), (371, 54376108), (434, 46482802), (742, 27188054), (868, 23241401), (1484, 13594027), (1643, 12278476), (3286, 6139238), (6572, 3069619), (11501, 1754068), (23002, 877034), (46004, 438517)]