20779950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:342

約数の個数: 96

約数和(自身を含む): 56648160

約数和(自身を除く): 35868210

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 29, 30, 34, 50, 51, 58, 75, 85, 87, 102, 145, 150, 170, 174, 255, 281, 290, 425, 435, 493, 510, 562, 725, 843, 850, 870, 986, 1275, 1405, 1450, 1479, 1686, 2175, 2465, 2550, 2810, 2958, 4215, 4350, 4777, 4930, 7025, 7395, 8149, 8430, 9554, 12325, 14050, 14331, 14790, 16298, 21075, 23885, 24447, 24650, 28662, 36975, 40745, 42150, 47770, 48894, 71655, 73950, 81490, 119425, 122235, 138533, 143310, 203725, 238850, 244470, 277066, 358275, 407450, 415599, 611175, 692665, 716550, 831198, 1222350, 1385330, 2077995, 3463325, 4155990, 6926650, 10389975, 20779950]

約数ペア:

[(1, 20779950), (2, 10389975), (3, 6926650), (5, 4155990), (6, 3463325), (10, 2077995), (15, 1385330), (17, 1222350), (25, 831198), (29, 716550), (30, 692665), (34, 611175), (50, 415599), (51, 407450), (58, 358275), (75, 277066), (85, 244470), (87, 238850), (102, 203725), (145, 143310), (150, 138533), (170, 122235), (174, 119425), (255, 81490), (281, 73950), (290, 71655), (425, 48894), (435, 47770), (493, 42150), (510, 40745), (562, 36975), (725, 28662), (843, 24650), (850, 24447), (870, 23885), (986, 21075), (1275, 16298), (1405, 14790), (1450, 14331), (1479, 14050), (1686, 12325), (2175, 9554), (2465, 8430), (2550, 8149), (2810, 7395), (2958, 7025), (4215, 4930), (4350, 4777)]