20798932

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{877}}^1$

素因数の和:917

約数の個数: 54

約数和(自身を含む): 46592826

約数和(自身を除く): 25793894

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 242, 308, 484, 539, 847, 877, 1078, 1694, 1754, 2156, 3388, 3508, 5929, 6139, 9647, 11858, 12278, 19294, 23716, 24556, 38588, 42973, 67529, 85946, 106117, 135058, 171892, 212234, 270116, 424468, 472703, 742819, 945406, 1485638, 1890812, 2971276, 5199733, 10399466, 20798932]

約数ペア:

[(1, 20798932), (2, 10399466), (4, 5199733), (7, 2971276), (11, 1890812), (14, 1485638), (22, 945406), (28, 742819), (44, 472703), (49, 424468), (77, 270116), (98, 212234), (121, 171892), (154, 135058), (196, 106117), (242, 85946), (308, 67529), (484, 42973), (539, 38588), (847, 24556), (877, 23716), (1078, 19294), (1694, 12278), (1754, 11858), (2156, 9647), (3388, 6139), (3508, 5929)]