20147490888

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{477791}}^1$

素因数の和:478058

約数の個数: 64

約数和(自身を含む): 57793720320

約数和(自身を除く): 37646229432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 251, 502, 753, 1004, 1506, 1757, 2008, 3012, 3514, 5271, 6024, 7028, 10542, 14056, 21084, 42168, 477791, 955582, 1433373, 1911164, 2866746, 3344537, 3822328, 5733492, 6689074, 10033611, 11466984, 13378148, 20067222, 26756296, 40134444, 80268888, 119925541, 239851082, 359776623, 479702164, 719553246, 839478787, 959404328, 1439106492, 1678957574, 2518436361, 2878212984, 3357915148, 5036872722, 6715830296, 10073745444, 20147490888]

約数ペア:

[(1, 20147490888), (2, 10073745444), (3, 6715830296), (4, 5036872722), (6, 3357915148), (7, 2878212984), (8, 2518436361), (12, 1678957574), (14, 1439106492), (21, 959404328), (24, 839478787), (28, 719553246), (42, 479702164), (56, 359776623), (84, 239851082), (168, 119925541), (251, 80268888), (502, 40134444), (753, 26756296), (1004, 20067222), (1506, 13378148), (1757, 11466984), (2008, 10033611), (3012, 6689074), (3514, 5733492), (5271, 3822328), (6024, 3344537), (7028, 2866746), (10542, 1911164), (14056, 1433373), (21084, 955582), (42168, 477791)]