20783136852

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{706621}}^1$

素因数の和:706693

約数の個数: 72

約数和(自身を含む): 56586289760

約数和(自身を除く): 35803152908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 43, 57, 76, 86, 114, 129, 171, 172, 228, 258, 342, 387, 516, 684, 774, 817, 1548, 1634, 2451, 3268, 4902, 7353, 9804, 14706, 29412, 706621, 1413242, 2119863, 2826484, 4239726, 6359589, 8479452, 12719178, 13425799, 25438356, 26851598, 30384703, 40277397, 53703196, 60769406, 80554794, 91154109, 120832191, 121538812, 161109588, 182308218, 241664382, 273462327, 364616436, 483328764, 546924654, 577309357, 1093849308, 1154618714, 1731928071, 2309237428, 3463856142, 5195784213, 6927712284, 10391568426, 20783136852]

約数ペア:

[(1, 20783136852), (2, 10391568426), (3, 6927712284), (4, 5195784213), (6, 3463856142), (9, 2309237428), (12, 1731928071), (18, 1154618714), (19, 1093849308), (36, 577309357), (38, 546924654), (43, 483328764), (57, 364616436), (76, 273462327), (86, 241664382), (114, 182308218), (129, 161109588), (171, 121538812), (172, 120832191), (228, 91154109), (258, 80554794), (342, 60769406), (387, 53703196), (516, 40277397), (684, 30384703), (774, 26851598), (817, 25438356), (1548, 13425799), (1634, 12719178), (2451, 8479452), (3268, 6359589), (4902, 4239726), (7353, 2826484), (9804, 2119863), (14706, 1413242), (29412, 706621)]