20199553880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{5153}}^1$

素因数の和:5385

約数の個数: 128

約数和(自身を含む): 50764838400

約数和(自身を除く): 30565284520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 151, 220, 236, 295, 302, 440, 472, 590, 604, 649, 755, 1180, 1208, 1298, 1510, 1661, 2360, 2596, 3020, 3245, 3322, 5153, 5192, 6040, 6490, 6644, 8305, 8909, 10306, 12980, 13288, 16610, 17818, 20612, 25765, 25960, 33220, 35636, 41224, 44545, 51530, 56683, 66440, 71272, 89090, 97999, 103060, 113366, 178180, 195998, 206120, 226732, 283415, 304027, 356360, 391996, 453464, 489995, 566830, 608054, 778103, 783992, 979990, 1133660, 1216108, 1520135, 1556206, 1959980, 2267320, 2432216, 3040270, 3112412, 3344297, 3890515, 3919960, 6080540, 6224824, 6688594, 7781030, 8559133, 12161080, 13377188, 15562060, 16721485, 17118266, 26754376, 31124120, 33442970, 34236532, 42795665, 45908077, 66885940, 68473064, 85591330, 91816154, 133771880, 171182660, 183632308, 229540385, 342365320, 367264616, 459080770, 504988847, 918161540, 1009977694, 1836323080, 2019955388, 2524944235, 4039910776, 5049888470, 10099776940, 20199553880]

約数ペア:

[(1, 20199553880), (2, 10099776940), (4, 5049888470), (5, 4039910776), (8, 2524944235), (10, 2019955388), (11, 1836323080), (20, 1009977694), (22, 918161540), (40, 504988847), (44, 459080770), (55, 367264616), (59, 342365320), (88, 229540385), (110, 183632308), (118, 171182660), (151, 133771880), (220, 91816154), (236, 85591330), (295, 68473064), (302, 66885940), (440, 45908077), (472, 42795665), (590, 34236532), (604, 33442970), (649, 31124120), (755, 26754376), (1180, 17118266), (1208, 16721485), (1298, 15562060), (1510, 13377188), (1661, 12161080), (2360, 8559133), (2596, 7781030), (3020, 6688594), (3245, 6224824), (3322, 6080540), (5153, 3919960), (5192, 3890515), (6040, 3344297), (6490, 3112412), (6644, 3040270), (8305, 2432216), (8909, 2267320), (10306, 1959980), (12980, 1556206), (13288, 1520135), (16610, 1216108), (17818, 1133660), (20612, 979990), (25765, 783992), (25960, 778103), (33220, 608054), (35636, 566830), (41224, 489995), (44545, 453464), (51530, 391996), (56683, 356360), (66440, 304027), (71272, 283415), (89090, 226732), (97999, 206120), (103060, 195998), (113366, 178180)]