20824650

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{601}}^1$

素因数の和:637

約数の個数: 144

約数和(自身を含む): 69870528

約数和(自身を除く): 49045878

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 25, 30, 33, 35, 42, 45, 50, 55, 63, 66, 70, 75, 77, 90, 99, 105, 110, 126, 150, 154, 165, 175, 198, 210, 225, 231, 275, 315, 330, 350, 385, 450, 462, 495, 525, 550, 601, 630, 693, 770, 825, 990, 1050, 1155, 1202, 1386, 1575, 1650, 1803, 1925, 2310, 2475, 3005, 3150, 3465, 3606, 3850, 4207, 4950, 5409, 5775, 6010, 6611, 6930, 8414, 9015, 10818, 11550, 12621, 13222, 15025, 17325, 18030, 19833, 21035, 25242, 27045, 30050, 33055, 34650, 37863, 39666, 42070, 45075, 46277, 54090, 59499, 63105, 66110, 75726, 90150, 92554, 99165, 105175, 118998, 126210, 135225, 138831, 165275, 189315, 198330, 210350, 231385, 270450, 277662, 297495, 315525, 330550, 378630, 416493, 462770, 495825, 594990, 631050, 694155, 832986, 946575, 991650, 1156925, 1388310, 1487475, 1893150, 2082465, 2313850, 2974950, 3470775, 4164930, 6941550, 10412325, 20824650]

約数ペア:

[(1, 20824650), (2, 10412325), (3, 6941550), (5, 4164930), (6, 3470775), (7, 2974950), (9, 2313850), (10, 2082465), (11, 1893150), (14, 1487475), (15, 1388310), (18, 1156925), (21, 991650), (22, 946575), (25, 832986), (30, 694155), (33, 631050), (35, 594990), (42, 495825), (45, 462770), (50, 416493), (55, 378630), (63, 330550), (66, 315525), (70, 297495), (75, 277662), (77, 270450), (90, 231385), (99, 210350), (105, 198330), (110, 189315), (126, 165275), (150, 138831), (154, 135225), (165, 126210), (175, 118998), (198, 105175), (210, 99165), (225, 92554), (231, 90150), (275, 75726), (315, 66110), (330, 63105), (350, 59499), (385, 54090), (450, 46277), (462, 45075), (495, 42070), (525, 39666), (550, 37863), (601, 34650), (630, 33055), (693, 30050), (770, 27045), (825, 25242), (990, 21035), (1050, 19833), (1155, 18030), (1202, 17325), (1386, 15025), (1575, 13222), (1650, 12621), (1803, 11550), (1925, 10818), (2310, 9015), (2475, 8414), (3005, 6930), (3150, 6611), (3465, 6010), (3606, 5775), (3850, 5409), (4207, 4950)]