20988208200

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{311}}^1\times {\mathrm{821}}^1$

素因数の和:1288

約数の個数: 192

約数和(自身を含む): 65829179520

約数和(自身を除く): 44840971320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 137, 150, 200, 274, 300, 311, 411, 548, 600, 622, 685, 821, 822, 933, 1096, 1244, 1370, 1555, 1642, 1644, 1866, 2055, 2463, 2488, 2740, 3110, 3284, 3288, 3425, 3732, 4105, 4110, 4665, 4926, 5480, 6220, 6568, 6850, 7464, 7775, 8210, 8220, 9330, 9852, 10275, 12315, 12440, 13700, 15550, 16420, 16440, 18660, 19704, 20525, 20550, 23325, 24630, 27400, 31100, 32840, 37320, 41050, 41100, 42607, 46650, 49260, 61575, 62200, 82100, 82200, 85214, 93300, 98520, 112477, 123150, 127821, 164200, 170428, 186600, 213035, 224954, 246300, 255331, 255642, 337431, 340856, 426070, 449908, 492600, 510662, 511284, 562385, 639105, 674862, 765993, 852140, 899816, 1021324, 1022568, 1065175, 1124770, 1276655, 1278210, 1349724, 1531986, 1687155, 1704280, 2042648, 2130350, 2249540, 2553310, 2556420, 2699448, 2811925, 3063972, 3195525, 3374310, 3829965, 4260700, 4499080, 5106620, 5112840, 5623850, 6127944, 6383275, 6391050, 6748620, 7659930, 8435775, 8521400, 10213240, 11247700, 12766550, 12782100, 13497240, 15319860, 16871550, 19149825, 22495400, 25533100, 25564200, 30639720, 33743100, 34980347, 38299650, 51066200, 67486200, 69960694, 76599300, 104941041, 139921388, 153198600, 174901735, 209882082, 279842776, 349803470, 419764164, 524705205, 699606940, 839528328, 874508675, 1049410410, 1399213880, 1749017350, 2098820820, 2623526025, 3498034700, 4197641640, 5247052050, 6996069400, 10494104100, 20988208200]

約数ペア:

[(1, 20988208200), (2, 10494104100), (3, 6996069400), (4, 5247052050), (5, 4197641640), (6, 3498034700), (8, 2623526025), (10, 2098820820), (12, 1749017350), (15, 1399213880), (20, 1049410410), (24, 874508675), (25, 839528328), (30, 699606940), (40, 524705205), (50, 419764164), (60, 349803470), (75, 279842776), (100, 209882082), (120, 174901735), (137, 153198600), (150, 139921388), (200, 104941041), (274, 76599300), (300, 69960694), (311, 67486200), (411, 51066200), (548, 38299650), (600, 34980347), (622, 33743100), (685, 30639720), (821, 25564200), (822, 25533100), (933, 22495400), (1096, 19149825), (1244, 16871550), (1370, 15319860), (1555, 13497240), (1642, 12782100), (1644, 12766550), (1866, 11247700), (2055, 10213240), (2463, 8521400), (2488, 8435775), (2740, 7659930), (3110, 6748620), (3284, 6391050), (3288, 6383275), (3425, 6127944), (3732, 5623850), (4105, 5112840), (4110, 5106620), (4665, 4499080), (4926, 4260700), (5480, 3829965), (6220, 3374310), (6568, 3195525), (6850, 3063972), (7464, 2811925), (7775, 2699448), (8210, 2556420), (8220, 2553310), (9330, 2249540), (9852, 2130350), (10275, 2042648), (12315, 1704280), (12440, 1687155), (13700, 1531986), (15550, 1349724), (16420, 1278210), (16440, 1276655), (18660, 1124770), (19704, 1065175), (20525, 1022568), (20550, 1021324), (23325, 899816), (24630, 852140), (27400, 765993), (31100, 674862), (32840, 639105), (37320, 562385), (41050, 511284), (41100, 510662), (42607, 492600), (46650, 449908), (49260, 426070), (61575, 340856), (62200, 337431), (82100, 255642), (82200, 255331), (85214, 246300), (93300, 224954), (98520, 213035), (112477, 186600), (123150, 170428), (127821, 164200)]