20394000

素因数分解:

$2^4\times 3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1$

素因数の和:143

約数の個数: 240

約数和(自身を含む): 78459264

約数和(自身を除く): 58065264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 25, 30, 33, 36, 40, 44, 45, 48, 50, 55, 60, 66, 72, 75, 80, 88, 90, 99, 100, 103, 110, 120, 125, 132, 144, 150, 165, 176, 180, 198, 200, 206, 220, 225, 240, 250, 264, 275, 300, 309, 330, 360, 375, 396, 400, 412, 440, 450, 495, 500, 515, 528, 550, 600, 618, 660, 720, 750, 792, 824, 825, 880, 900, 927, 990, 1000, 1030, 1100, 1125, 1133, 1200, 1236, 1320, 1375, 1500, 1545, 1584, 1648, 1650, 1800, 1854, 1980, 2000, 2060, 2200, 2250, 2266, 2472, 2475, 2575, 2640, 2750, 3000, 3090, 3300, 3399, 3600, 3708, 3960, 4120, 4125, 4400, 4500, 4532, 4635, 4944, 4950, 5150, 5500, 5665, 6000, 6180, 6600, 6798, 7416, 7725, 7920, 8240, 8250, 9000, 9064, 9270, 9900, 10197, 10300, 11000, 11330, 12360, 12375, 12875, 13200, 13596, 14832, 15450, 16500, 16995, 18000, 18128, 18540, 19800, 20394, 20600, 22000, 22660, 23175, 24720, 24750, 25750, 27192, 28325, 30900, 33000, 33990, 37080, 38625, 39600, 40788, 41200, 45320, 46350, 49500, 50985, 51500, 54384, 56650, 61800, 66000, 67980, 74160, 77250, 81576, 84975, 90640, 92700, 99000, 101970, 103000, 113300, 115875, 123600, 135960, 141625, 154500, 163152, 169950, 185400, 198000, 203940, 206000, 226600, 231750, 254925, 271920, 283250, 309000, 339900, 370800, 407880, 424875, 453200, 463500, 509850, 566500, 618000, 679800, 815760, 849750, 927000, 1019700, 1133000, 1274625, 1359600, 1699500, 1854000, 2039400, 2266000, 2549250, 3399000, 4078800, 5098500, 6798000, 10197000, 20394000]

約数ペア:

[(1, 20394000), (2, 10197000), (3, 6798000), (4, 5098500), (5, 4078800), (6, 3399000), (8, 2549250), (9, 2266000), (10, 2039400), (11, 1854000), (12, 1699500), (15, 1359600), (16, 1274625), (18, 1133000), (20, 1019700), (22, 927000), (24, 849750), (25, 815760), (30, 679800), (33, 618000), (36, 566500), (40, 509850), (44, 463500), (45, 453200), (48, 424875), (50, 407880), (55, 370800), (60, 339900), (66, 309000), (72, 283250), (75, 271920), (80, 254925), (88, 231750), (90, 226600), (99, 206000), (100, 203940), (103, 198000), (110, 185400), (120, 169950), (125, 163152), (132, 154500), (144, 141625), (150, 135960), (165, 123600), (176, 115875), (180, 113300), (198, 103000), (200, 101970), (206, 99000), (220, 92700), (225, 90640), (240, 84975), (250, 81576), (264, 77250), (275, 74160), (300, 67980), (309, 66000), (330, 61800), (360, 56650), (375, 54384), (396, 51500), (400, 50985), (412, 49500), (440, 46350), (450, 45320), (495, 41200), (500, 40788), (515, 39600), (528, 38625), (550, 37080), (600, 33990), (618, 33000), (660, 30900), (720, 28325), (750, 27192), (792, 25750), (824, 24750), (825, 24720), (880, 23175), (900, 22660), (927, 22000), (990, 20600), (1000, 20394), (1030, 19800), (1100, 18540), (1125, 18128), (1133, 18000), (1200, 16995), (1236, 16500), (1320, 15450), (1375, 14832), (1500, 13596), (1545, 13200), (1584, 12875), (1648, 12375), (1650, 12360), (1800, 11330), (1854, 11000), (1980, 10300), (2000, 10197), (2060, 9900), (2200, 9270), (2250, 9064), (2266, 9000), (2472, 8250), (2475, 8240), (2575, 7920), (2640, 7725), (2750, 7416), (3000, 6798), (3090, 6600), (3300, 6180), (3399, 6000), (3600, 5665), (3708, 5500), (3960, 5150), (4120, 4950), (4125, 4944), (4400, 4635), (4500, 4532)]