20848856210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1\times {\mathrm{1109}}^1$

素因数の和:1492

約数の個数: 128

約数和(自身を含む): 47028764160

約数和(自身を除く): 26179907950

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 73, 91, 130, 146, 182, 283, 365, 455, 511, 566, 730, 910, 949, 1022, 1109, 1415, 1898, 1981, 2218, 2555, 2830, 3679, 3962, 4745, 5110, 5545, 6643, 7358, 7763, 9490, 9905, 11090, 13286, 14417, 15526, 18395, 19810, 20659, 25753, 28834, 33215, 36790, 38815, 41318, 51506, 66430, 72085, 77630, 80957, 100919, 103295, 128765, 144170, 144613, 161914, 201838, 206590, 257530, 268567, 289226, 313847, 404785, 504595, 537134, 566699, 627694, 723065, 809570, 1009190, 1052441, 1133398, 1342835, 1446130, 1569235, 1879969, 2104882, 2196929, 2685670, 2833495, 3138470, 3759938, 4080011, 4393858, 5262205, 5666990, 7367087, 8160022, 9399845, 10524410, 10984645, 14734174, 18799690, 20400055, 21969290, 22910831, 28560077, 36835435, 40800110, 45821662, 57120154, 73670870, 114554155, 142800385, 160375817, 229108310, 285600770, 297840803, 320751634, 595681606, 801879085, 1489204015, 1603758170, 2084885621, 2978408030, 4169771242, 10424428105, 20848856210]

約数ペア:

[(1, 20848856210), (2, 10424428105), (5, 4169771242), (7, 2978408030), (10, 2084885621), (13, 1603758170), (14, 1489204015), (26, 801879085), (35, 595681606), (65, 320751634), (70, 297840803), (73, 285600770), (91, 229108310), (130, 160375817), (146, 142800385), (182, 114554155), (283, 73670870), (365, 57120154), (455, 45821662), (511, 40800110), (566, 36835435), (730, 28560077), (910, 22910831), (949, 21969290), (1022, 20400055), (1109, 18799690), (1415, 14734174), (1898, 10984645), (1981, 10524410), (2218, 9399845), (2555, 8160022), (2830, 7367087), (3679, 5666990), (3962, 5262205), (4745, 4393858), (5110, 4080011), (5545, 3759938), (6643, 3138470), (7358, 2833495), (7763, 2685670), (9490, 2196929), (9905, 2104882), (11090, 1879969), (13286, 1569235), (14417, 1446130), (15526, 1342835), (18395, 1133398), (19810, 1052441), (20659, 1009190), (25753, 809570), (28834, 723065), (33215, 627694), (36790, 566699), (38815, 537134), (41318, 504595), (51506, 404785), (66430, 313847), (72085, 289226), (77630, 268567), (80957, 257530), (100919, 206590), (103295, 201838), (128765, 161914), (144170, 144613)]