20439144

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 61158240

約数和(自身を除く): 40719096

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 131, 132, 197, 198, 262, 264, 393, 394, 396, 524, 591, 786, 788, 792, 1048, 1179, 1182, 1441, 1572, 1576, 1773, 2167, 2358, 2364, 2882, 3144, 3546, 4323, 4334, 4716, 4728, 5764, 6501, 7092, 8646, 8668, 9432, 11528, 12969, 13002, 14184, 17292, 17336, 19503, 25807, 25938, 26004, 34584, 39006, 51614, 51876, 52008, 77421, 78012, 103228, 103752, 154842, 156024, 206456, 232263, 283877, 309684, 464526, 567754, 619368, 851631, 929052, 1135508, 1703262, 1858104, 2271016, 2554893, 3406524, 5109786, 6813048, 10219572, 20439144]

約数ペア:

[(1, 20439144), (2, 10219572), (3, 6813048), (4, 5109786), (6, 3406524), (8, 2554893), (9, 2271016), (11, 1858104), (12, 1703262), (18, 1135508), (22, 929052), (24, 851631), (33, 619368), (36, 567754), (44, 464526), (66, 309684), (72, 283877), (88, 232263), (99, 206456), (131, 156024), (132, 154842), (197, 103752), (198, 103228), (262, 78012), (264, 77421), (393, 52008), (394, 51876), (396, 51614), (524, 39006), (591, 34584), (786, 26004), (788, 25938), (792, 25807), (1048, 19503), (1179, 17336), (1182, 17292), (1441, 14184), (1572, 13002), (1576, 12969), (1773, 11528), (2167, 9432), (2358, 8668), (2364, 8646), (2882, 7092), (3144, 6501), (3546, 5764), (4323, 4728), (4334, 4716)]