20239212760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{2237}}^1$

素因数の和:2525

約数の個数: 128

約数和(自身を含む): 49810360320

約数和(自身を除く): 29571147560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 137, 254, 260, 274, 508, 520, 548, 635, 685, 1016, 1096, 1270, 1370, 1651, 1781, 2237, 2540, 2740, 3302, 3562, 4474, 5080, 5480, 6604, 7124, 8255, 8905, 8948, 11185, 13208, 14248, 16510, 17399, 17810, 17896, 22370, 29081, 33020, 34798, 35620, 44740, 58162, 66040, 69596, 71240, 86995, 89480, 116324, 139192, 145405, 173990, 226187, 232648, 284099, 290810, 306469, 347980, 452374, 568198, 581620, 612938, 695960, 904748, 1130935, 1136396, 1163240, 1225876, 1420495, 1532345, 1809496, 2261870, 2272792, 2451752, 2840990, 3064690, 3693287, 3984097, 4523740, 5681980, 6129380, 7386574, 7968194, 9047480, 11363960, 12258760, 14773148, 15936388, 18466435, 19920485, 29546296, 31872776, 36932870, 38921563, 39840970, 73865740, 77843126, 79681940, 147731480, 155686252, 159363880, 194607815, 311372504, 389215630, 505980319, 778431260, 1011960638, 1556862520, 2023921276, 2529901595, 4047842552, 5059803190, 10119606380, 20239212760]

約数ペア:

[(1, 20239212760), (2, 10119606380), (4, 5059803190), (5, 4047842552), (8, 2529901595), (10, 2023921276), (13, 1556862520), (20, 1011960638), (26, 778431260), (40, 505980319), (52, 389215630), (65, 311372504), (104, 194607815), (127, 159363880), (130, 155686252), (137, 147731480), (254, 79681940), (260, 77843126), (274, 73865740), (508, 39840970), (520, 38921563), (548, 36932870), (635, 31872776), (685, 29546296), (1016, 19920485), (1096, 18466435), (1270, 15936388), (1370, 14773148), (1651, 12258760), (1781, 11363960), (2237, 9047480), (2540, 7968194), (2740, 7386574), (3302, 6129380), (3562, 5681980), (4474, 4523740), (5080, 3984097), (5480, 3693287), (6604, 3064690), (7124, 2840990), (8255, 2451752), (8905, 2272792), (8948, 2261870), (11185, 1809496), (13208, 1532345), (14248, 1420495), (16510, 1225876), (17399, 1163240), (17810, 1136396), (17896, 1130935), (22370, 904748), (29081, 695960), (33020, 612938), (34798, 581620), (35620, 568198), (44740, 452374), (58162, 347980), (66040, 306469), (69596, 290810), (71240, 284099), (86995, 232648), (89480, 226187), (116324, 173990), (139192, 145405)]