20497884

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:791

約数の個数: 72

約数和(自身を含む): 55413120

約数和(自身を除く): 34915236

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 114, 121, 132, 209, 228, 242, 363, 418, 484, 627, 726, 743, 836, 1254, 1452, 1486, 2229, 2299, 2508, 2972, 4458, 4598, 6897, 8173, 8916, 9196, 13794, 14117, 16346, 24519, 27588, 28234, 32692, 42351, 49038, 56468, 84702, 89903, 98076, 155287, 169404, 179806, 269709, 310574, 359612, 465861, 539418, 621148, 931722, 1078836, 1708157, 1863444, 3416314, 5124471, 6832628, 10248942, 20497884]

約数ペア:

[(1, 20497884), (2, 10248942), (3, 6832628), (4, 5124471), (6, 3416314), (11, 1863444), (12, 1708157), (19, 1078836), (22, 931722), (33, 621148), (38, 539418), (44, 465861), (57, 359612), (66, 310574), (76, 269709), (114, 179806), (121, 169404), (132, 155287), (209, 98076), (228, 89903), (242, 84702), (363, 56468), (418, 49038), (484, 42351), (627, 32692), (726, 28234), (743, 27588), (836, 24519), (1254, 16346), (1452, 14117), (1486, 13794), (2229, 9196), (2299, 8916), (2508, 8173), (2972, 6897), (4458, 4598)]