20178068482

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{8677}}^1$

素因数の和:8923

約数の個数: 64

約数和(自身を含む): 36529242624

約数和(自身を除く): 16351174142

約数列:

[1, 2, 11, 13, 22, 26, 47, 94, 143, 173, 286, 346, 517, 611, 1034, 1222, 1903, 2249, 3806, 4498, 6721, 8131, 8677, 13442, 16262, 17354, 24739, 49478, 89441, 95447, 105703, 112801, 178882, 190894, 211406, 225602, 407819, 815638, 1162733, 1240811, 1501121, 2325466, 2481622, 3002242, 4486009, 5301647, 8972018, 10603294, 16512331, 19514573, 33024662, 39029146, 58318117, 70552687, 116636234, 141105374, 214660303, 429320606, 776079557, 917184931, 1552159114, 1834369862, 10089034241, 20178068482]

約数ペア:

[(1, 20178068482), (2, 10089034241), (11, 1834369862), (13, 1552159114), (22, 917184931), (26, 776079557), (47, 429320606), (94, 214660303), (143, 141105374), (173, 116636234), (286, 70552687), (346, 58318117), (517, 39029146), (611, 33024662), (1034, 19514573), (1222, 16512331), (1903, 10603294), (2249, 8972018), (3806, 5301647), (4498, 4486009), (6721, 3002242), (8131, 2481622), (8677, 2325466), (13442, 1501121), (16262, 1240811), (17354, 1162733), (24739, 815638), (49478, 407819), (89441, 225602), (95447, 211406), (105703, 190894), (112801, 178882)]