20162790472

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{21061}}^1$

素因数の和:21155

約数の個数: 96

約数和(自身を含む): 44371736640

約数和(自身を除く): 24208946168

約数列:

[1, 2, 4, 8, 11, 22, 23, 43, 44, 46, 86, 88, 92, 121, 172, 184, 242, 253, 344, 473, 484, 506, 946, 968, 989, 1012, 1892, 1978, 2024, 2783, 3784, 3956, 5203, 5566, 7912, 10406, 10879, 11132, 20812, 21061, 21758, 22264, 41624, 42122, 43516, 84244, 87032, 119669, 168488, 231671, 239338, 463342, 478676, 484403, 905623, 926684, 957352, 968806, 1811246, 1853368, 1937612, 2548381, 3622492, 3875224, 5096762, 5328433, 7244984, 9961853, 10193524, 10656866, 19923706, 20387048, 20829329, 21313732, 39847412, 41658658, 42627464, 58612763, 79694824, 83317316, 109580383, 117225526, 166634632, 219160766, 229122619, 234451052, 438321532, 458245238, 468902104, 876643064, 916490476, 1832980952, 2520348809, 5040697618, 10081395236, 20162790472]

約数ペア:

[(1, 20162790472), (2, 10081395236), (4, 5040697618), (8, 2520348809), (11, 1832980952), (22, 916490476), (23, 876643064), (43, 468902104), (44, 458245238), (46, 438321532), (86, 234451052), (88, 229122619), (92, 219160766), (121, 166634632), (172, 117225526), (184, 109580383), (242, 83317316), (253, 79694824), (344, 58612763), (473, 42627464), (484, 41658658), (506, 39847412), (946, 21313732), (968, 20829329), (989, 20387048), (1012, 19923706), (1892, 10656866), (1978, 10193524), (2024, 9961853), (2783, 7244984), (3784, 5328433), (3956, 5096762), (5203, 3875224), (5566, 3622492), (7912, 2548381), (10406, 1937612), (10879, 1853368), (11132, 1811246), (20812, 968806), (21061, 957352), (21758, 926684), (22264, 905623), (41624, 484403), (42122, 478676), (43516, 463342), (84244, 239338), (87032, 231671), (119669, 168488)]